Carnegie Mellon University




Press Releases

  1. How Uber and Lyft are Transforming US Cities Nov 30, 2022.
  2. Who's Paying for Your Uber? Sep 21, 2021.
  3. Should Uber and Lyft be electrifying more vehicles? Feb 19, 2021.
  4. When Uber and Lyft enter cities, vehicle ownership increases, Jan 6, 2021.
  5. Want an Electric Vehicle? The One You Should Buy Depends on Where You Live, Apr 20, 2016.
  6. Federal Policy Reverses Benefits of Alternative Fuel Vehicles, Mar 3, 2016.
  7. Researchers Show Coal Retirement Needed for Electric Vehicles to Reduce Air Pollution, Feb 23, 2016.
  8. Charging Electric Vehicles at Night Can Cause More Harm Than Good, Says CMU Study, Feb 22, 2016.
  9. Which Vehicle Holds Smallest Carbon Footprint? Electrics in Some Regions, Hybrids in Others, Says Carnegie Mellon Study, July 16, 2015.
  10. Carnegie Mellon Study Shows Electric Vehicle Range and Emissions Vary With Climate, Feb 24, 2015.
  11. CMU Study Finds Chinese Consumers May Adopt Electric Vehicles First, Impacting Auto Market, Feb 16, 2015.
  12. Big Factories Won't Solve High Cost of Electric Vehicles, Carnegie Mellon Researchers Say, Oct 21, 2014
  13. Carnegie Mellon Study Says Electric Vehicles Could Be Cheaper to Recharge if Electricity Providers Control Charging Speeds, Jan 23, 2014
  14. Carnegie Mellon Researchers Find Limited Residential Parking a Barrier to Electric Vehicle Adoption, Nov 11, 2013.
  15. Carnegie Mellon Researchers Report Hybrid Cars are Greener for City Drivers, June 17, 2013.
  16. Fiscal Cliff Bill Tax Credits for Electric Vehicle Chargers Found Not Cost Effective, Jan 7, 2013.
  17. Carnegie Mellon Study Finds Benefits of Plug-in Vehicles Depend on Battery Size, Sept 26, 2011.

Selected News Stories

  1. NPR On-Point: America's electric vehicle future June 17, 2021.
  2. NPR Marketplace: Where will we charge all those electric vehicles of the future? Sep 9, 2021.
  3. NPR Marketplace: Infrastructure bill could boost EV charging stations, but who's in charge of the stations? Aug 12, 2021.
  4. The New York Times: How green are electric vehicles? Mar 2, 2021.
  5. The Hill: Buttigieg sets goals for electric, automated freight vehicles, Feb 17, 2021.
  6. Scientific American: Can California Eliminate Gas Cars? Nov 8, 2017.
  7. The New York Times: Climate Protection Advocates Fear a Rollback of Emissions Standards, Nov 14, 2016.
  8. Science: The Best - and Worst - Places to Drive Your Electric Car, Feb 20, 2015.

News Stories


  1. How-To Geek: How does an EV battery's charge compare to a tank of gas? Mar 4, 2022.
  2. Detroit Free Press: GM keeps installing EV chargers at its sites even as workers stay remote, Feb 2, 2022.
  3. PolitiFact: There's no evidence electric vehicles fare worse than gas-powered cars in long traffic jams, Jan 7, 2022.


  1. The Atlanta Journal Constitution: Georgia tries to become leader in an industry that's no sure thing, Dec 23, 2021.
  2. Grist: 6 habits of highly effective climate-conscious travelers, Nov 22, 2021.
  3. Vox: Rivian IPO: Amazon's favorite electric car company is now worth more than Ford or GM, Nov 10, 2021.
  4. Spectrum News: Impact of the infrastructure bill on electric vehicles, Nov 10, 2021.
  5. Bloomberg City Lab: That Uber or Lyft trip may be worse for the planet than driving yourself, Sept 30, 2021.
  6. NPR Marketplace: How ride-hailing accelerates climate change, Sept 24, 2021.
  7. Quartz: Taking an Uber is worse for the climate than driving your own car, Sept 23, 2021.
  8. Who's paying for your Uber? Sept 21, 2021.
  9. NBC - NECN LX Current: Electric cars: everything you need to know, Sept 15, 2021.
  10. NPR Marketplace: Where will we charge all those electric vehicles of the future? Sep 9, 2021.
  11. Vox: Amazon's favorite electric vehicle company is going public at a very tricky time, Aug 30, 2021.
  12. NPR Marketplace: Infrastructure bill could boost EV charging stations, but who's in charge of the stations? Aug 12, 2021.
  13. WIRED: Biden wants more EVs on roads. What about charging stations? Aug 10, 2021.
  14. MarketWatch: I'm an EV expert, and I'm skeptical about how quickly electric cars will go mainstream in the U.S. Jun 19, 2021.
  15. NPR On-Point: America's electric vehicle future June 17, 2021.
  16. The New York Times: How green are electric vehicles? Mar 2, 2021.
  17. Green Car Congress: CMU study finds taxes on emissions would result in more rapid electrification by ridesharing companies, Feb 21, 2021.
  18. The Hill: Buttigieg sets goals for electric, automated freight vehicles, Feb 17, 2021.
  19. Shift: Oh, great – Uber and Lyft are actually increasing car ownership in US cities, Jan 13, 2021.
  20. Ladders: Ride-sharing apps had this surprising effect on cities, Jan 11, 2021.
  21. Inverse: Uber and Lyft are shaping cities in one deeply unexpected way, Jan 7, 2021.
  22. Vice: Uber and Lyft say they reduce car ownership, but that might not be true, Jan 7, 2021.


  1. Automotive News: Electrification expert Jeremy Michalek says California policies are key to US adoption of EVs, Dec 20, 2020.
  2. Forbes: Will a solar-powered mass market car ever be possible? Nov 30, 2020.
  3. Digital Trends: Inside the light-speed race to build a solar-powered commuter car, Mar 17, 2020.
  4. Watershed Sentinel: Electric vehicles: the good, the bad, the context, Feb 20, 2020.


  1. Quartz: Sunshine will cover your daily commute, Nov 13, 2019.
  2. CarbonBrief: Factcheck: How electric vehicles help to tackle climate change, May, 2019.


  1. Quartz: The physics of why we don't have solar powered cars, Oct 15, 2018.
  2. WIRED: California says "nope" to the EPA's car emissions rules, Oct 4, 2018.
  3. The Hill: Problems with the fuel economy rollback, Sept 26, 2018.
  4. PublicSource: Pittsburgh leaders, citizens attack Trump's proposed rollback of cleaner vehicle emissions standards, Sept 26, 2018.
  5. Pittsburth Tribune Review: Pittsburgh speakers rally against Trump plan to weaken fuel standards, Sep 26, 2018.
  6. PublicSource: Will Trump nix Obama-era emissions requirements? You can weight in right in Pittsburgh, Sep 14, 2018.
  7. Earther: Scott Pruitt's clean car rollback could have global consequences, Apr 4, 2018.
  8. GLT89.1FM: Searching for clues into Rivian's electric vehicle future, Jan 9, 2018.


  1. SiriusXM channel 11, Knowledge@Wharton: Will losing the electric vehicle tax credit kill plug-in cars? Dec 6, 2017.
  2. San Francisco Chronicle: For drivers without garages, charging a big barrier to electric cars, Nov 24, 2017.
  3. Scientific American: Can California Eliminate Gas Cars? Nov 8, 2017.
  4. WIRED: Congress' Plan to Kill the Electric Car Tax Credit Could Kill Electric Cars, Nov 4, 2017.
  5. La Presse: Environment -- Un Choix Écologique Pour L'avenir, Aug 26, 2017.
  6. La Presse: Voiture Électrique -- Le Dilemme Environnemental, Aug 26, 2017.
  7. E&E News Climate Wire: Tesla Logging 1,800 Model 3 Reservations Daily, Aug 3, 2017.
  8. Pittsburgh Post-Gazette: Electricy Pennsylvania transportation system -- Here's how the state shoudl spend its share of the Volkswagen settlement, July 28, 2017.
  9. MIT Technology Review: Tesla's Model 3 is a Long Way from Elon Musk's Grand Goal, July 28, 2017.
  10. Fortune: Could the U.S. Ever Ban Gas-Powered Cars Like France Wants to Do?, July 6, 2017.
  11. E21: Not Yet Time for Tesla, July 5, 2017.


  1. WIRED: 2017 will be the year Tesla reigns supreme -- or finally flops, Dec 30, 2016.
  2. ClimateWire: 'We need more customers!' Calif. revisits clean car rule, Dec 16, 2016.
  3. The New York Times: Climate Protection Advocates Fear a Rollback of Emissions Standards, Nov 14, 2016.
  4. Vox: Millions of used electric car batteries will help store energy for the grid. Maybe., Aug 29, 2016.
  5. Boston Globe: Study says 87% of our vehicles could be electric, Aug 16, 2016.
  6. Wards Auto: Sustainability, Innovation Driving Tesla CEO Musk, July 26, 2016.
  7. Clean Technica: Alt-fuel vehicle incentives could increase fuel consumption & emissions in short term, May 18, 2016.
  8. Green Car Reports: Buying an electric car can increase fuel use allowed by CAFE rules, May 11, 2016.
  9. The Star: Tesla becomes the first 488km electric car, Apr 29, 2016.
  10. Autoblog: This map reveals the cleanest vehicles based on location, Apr 28, 2016.
  11. The New York Times: Demand for the new Tesla is wild, but limited to tech fans, Apr 12, 2016 (AP story, 100s of outlets).
  12. Truthdig: Day-to-Day Human Activity Determines the Finer Effects of Climate Change, Mar 31, 2016.
  13. MIT Technology Review: Here's Why You Might be an Electric Car Owner a Decade from Now, Mar 30, 2016.
  14. Federal Policy Reverses Benefits of Alternative Fuel Vehicles, Mar 9, 2016.
  15. Chemical & Engineering News: Incentive for Electric Cars Increases CO2 Pollution, Mar 2, 2016.
  16. Hybrid Cars: Study: Overnight Charging in Coal-Intensive Grids May Be Worse For The Environment, Feb 24, 2016.
  17. Tech Times: Charging Electric Vehicles at Night Leads to Higher Greenhouse Gas Emissions, Feb 24, 2016.
  18. Gas2: Charging Your Electric Vehicle at Night Could Be Bad for the Environment, Feb 24, 2016.
  19. Ars Technica: Could More Electric Cars Mean Greater Fleet Emissions and Fuel Consumption? Feb 19, 2016.
  20. Atlanta Journal Constitution: Electric Cars Going Mainstream Sooner, Jan 27, 2016.


  1. Eco-Business: Boosting EVs with Cloud Power, Dec 17, 2015.
  2. Inside Science TV: Extreme Weather Affects an Electric Car's Range, Dec 13, 2015.
  3. SFGate: Could Climate Impact Electric Car Range? Nov 12, 2015.
  4. Futurity: Prius or Leaf? Carbon Footprint Hinges on Location, July 20, 2015.
  5. Wall Street Journal: Tesla Partners with Battery Researcher to Lower Costs, June 17, 2015.
  6. Bloomberg: The $5 Billon Race to Build a Better Battery, April 14, 2015.
  7. CMU Engineering Podcast: How does climate affect your electric car's performance?, April 10, 2015.
  8. WIRED: Electric Cars can Explain our Highway Funding Fiasco, Apr 8, 2015.
  9. Takepart: Find Out if You Live in the Best - or Worst - State for Electric Cars, Mar 11, 2015.
  10. NDTV: Weather Conditions Affect Mileage of Electric Cars, Mar 4, 2015.
  11. Green Car Reports: Chinese Car Buyers May Be More Open to Electric Cars than Americans: Study, Mar 3, 2015.
  12. Electric Cars Appeal to More Chinese than Americal Buyers, Mar 3, 2015.
  13. The Economic Times: Efficiency of Electric Cars Depends on Weather, Mar 2, 2015.
  14. Fast Company: Where It's Best and Worst to Drive an Electric Vehicle, Mar 2, 2015.
  15. Mother Nature Network: Cold Weather Kills Electric Car Range, Feb 27, 2015.
  16. Charged Electric Vehicles Magazine: New Study: Chinese More Receptive to EVs than Americans, Feb 26, 2015.
  17. Laboratory Equipment: Location Influences Electric Car Range, Emissions, Feb 26, 2015.
  18. Product Design & Development: EV Range Depends on Where You Live, Feb 25, 2015.
  19. China May Adopt EV Before Other Markets, Feb 23, 3015.
  20. Science: The Best - and Worst - Places to Drive Your Electric Car, Feb 20, 2015.
  21. Design News: Chevy Bolt Announcement Signals Battery Improvement, Feb 17, 2015.
  22. Discovery News: Electric vs. Fuel Cell Cars: 'Green' Autos Explained, Jan 30, 2015.
  23. Live Science: Electric vs. Fuel Cell Vehicles: 'Green' Auto Tech Explained, Jan 28, 2015.
  24. WiredChevy Could Beat Tesla to Building the First Mainstream Electric Car, Jan 13, 2015.
  25. CQ Roll Call - Policy Pulse: Looking Into the Future on Electric Vehicle Adoption, Jan 12, 2015.
  26. Pittsburgh Tribune-Review: Alcoa, Israeli Company Collaborate on Aluminum-Air Battery, Jan 10, 2015.


  1. National Public Radio On-Point: U.S.-China Climate Deal is an Important Step in a Long Road Ahead, Nov 12, 2014.
  2. National Public Radio On-Point: A Dire Climate Change Report, and the Possiblity for Change, Nov 6, 2014.
  3. The Engineer: Improved Battery Design is Key to Cost Savings, Nov 4, 2014.
  4. New York Times Dot Earth: Panel's Latest Warming Warning Misses Global Slumber Party on Energy Research, Nov 2, 2014.
  5. New York Times Automobiles: Wheelies: The Real Deal Jeap Edition, Oct 24, 2014.
  6. Network World: Carnegie Mellon: Bigger May Not be Better with Battery Makers, Oct 21, 2014.
  7. Automotive News: Pulling the plug: EV battery module exchange put to test, Oct 20, 2014.
  8. Pittsburgh Post-Gazette: Alternative vehicle fuels a growing niche market, April 29, 2014.
  9. WESA, Pittsburgh's NPR News Station: New Method of Charging Electric Cars Could Bring Savings, Feb 3, 2014.
  10. The Daily Fusion: EVs Could Be Recharged Cheaper With Controlled Charging Speeds, Jan 27, 2014.
  11. The Pittsburgh Tribune-Review: Plugging electric vehicles in at cheapest time could save on power bills, CMU finds, Jan 24, 2014.
  12. The New York Times: EVs Could Be a Key Part of a Changing Electricity Grid, Jan 23, 2014.
  13. EV World: CMU Study Sees Parking as Next Electric Car Barrier, Jan 14, 2014.
  14. Design News: Will Parking Problems Slow the Rise of Electric Vehicles, Jan 14, 2014.
  15. Bloomberg Businessweek: Toyota Sees Hydrogen Car Fill-Ups at Dealers to Trash Dumps, Jan 7, 2014.


  1. Allegheny Front: Charging a Challenge for Electric Car Owners, Nov 22, 2013.
  2. WESA 90.5FM: Lack of Parking May Be One of the Electric Car's Biggest Hurdles, Nov 18, 2013.
  3. The Car Connection: Electric Car Adoption Lagging Because Drivers Have Nowhere to Park & Charge Them, Nov 13, 2013.
  4. The New York Times: Electric Cars Give Rise to a Recharging Industry, Nov 12, 2013.
  5. The Daily Fusion: Insufficient Parking Space Hinders Electric Vehicle Adoption, Nov 12, 2013.
  6. Green Car Congress: CMU study finds limited dedicated residential parking and charging a significant barrier to mainstream EV adoption, Nov 12, 2013.
  7. Autoblog Green: In city driving, hybrids really outshine the competition, June 22, 2013.
  8. EV World: Hybrids better choice for city drivers, CMU study finds, June 18, 2013.
  9. Pittsburgh Post Gazette: Business news briefs: Study says hybrid, electric vehicles not always beneficial, June 18, 2013.
  10. Pocono Record: Hybrids Deserve Better, Feb 18, 2013.
  11. The Allegheny Front: WESA NPR News Station, CMU Studies Electric vs. Hybrid Cars, Feb 9, 2013.
  12. The Daily Beast: Electric Vehicles May Be the Green Car of the Future, But Hybrids Are the Green Car of the Present, Jan 24, 2013.


  1. Green Car CongressCMU/Ford study assesses optimal mix of conventional, hybrid, plug-in hybrid and electric vehicles for minimizing GHG and cost, Oct 31, 2012.
  2. Green Car CongressCMU study finds small battery PHEVs and gasoline hybrids the least-cost policy solution to reducing gasoline consumption, Oct 29, 2012.
  3. Design News: Could Pure Electrics Emit More than Hybrids?, Nov 15, 2012.
  4. The Street: Tesla Motors pollutes today for a greener tomorrow, Nov 7, 2012.
  5. Edmunds: California ZEV mandate -- Would a gas tax be better? Oct 17, 2012.
  6. Automotive World: US: PHEVs give better subsidy yields than EVs - study, July 26, 2012.
  7. Dogan News Agency: Sabancı Üniversitesi mezunları Türkiye’yi dünyaya taşıyor, July 25, 2012.
  8. The Washington Post: Palmer, B. "Hybrid, electric or gas: What's a car buyer interested in the environment to do?" March 19, 2012.
  9. MIT Technology Review: Bullis, K. "Battery to take on diesel and natural gas: Aquion Energy says its batteries could make the power grid unnecessary in some countries," Feb 28, 2012.
  10. Pittsburgh Post Gazette: "Commerce Secretary John Bryson Visits Aquion Energy," Feb 1, 2012.


  1. Autoblog Green: "Why plug-in vehicles with "small" battery packs should be subsidized in a big way," Oct 6, 2010.
  2. The Truth About Cars: Niedermeyer, E., "Report knocks 'big battery' plug-in subsidies, will the DOE notice?" , Sept 28, 2011.
  3. Lucas, P., "Are small batteries the future for hybrid cars," Sept 28, 2011.
  4. Greenwire, E&E Publishing: Plautz, J., "Incentives should target hybrids, not pure EVs -- report," Washington D.C., Sept 28, 2011.
  5. Green Car Congress: Millikin, M., "CMU study finds that HEVs and PHEVs with small battery packs offer more emissions and oil displacement benefits per dollar spent than large pack PHEVs and BEVs; policy implications," Sept 27, 2011.
  6. Alt Energy Stocks: Peterson, J. "Plug-in vehicles have been weighed in the balance and found wanting," Sept 27, 2011.
  7. HybridCars, "Carnegie Mellon study says hybrids are better target for government investment than EVs," Sept 26, 2011.
  8. Bloomberg News: Ohnsman, A., “U.S. Battery, Plug-in Car Push Costs Exceed Rewards, New Study Says,” Sept 26, 2011
  9. Carnegie Mellon: Swaney, C. "Press Release: Carnegie Mellon Study Finds Benefits of Plug-in Vehicles Depend on Battery Size," Sept 26, 2011.
  10. Science: Apt, J. Peterson, S. B., Whitacre, J. F., “Battery Vehicles Reduce CO2 Emissions” August 12, 2011
  11. Toyota Ideas for Good Website: Commentary on Hybrid Energy Devices, May 1, 2011,  (Whitacre)
  12. Science: Mueller, K. and J. Yeston "Editors' Choice: The Pros (and Cons) of Plugging In," V331, Feb 18 2011.
  13. Pittsburgh Tribune Review: “Battery Innovators Charging Ahead," January 2, 2011


  1. EV World: Moore, B. “The Case for Small Electric Hybrids,” Dec 14, 2010.
  2. Green Car Congress: Millikin, M. “CMU Study Explores Optimizing PHEV Design and Allocation to Minimize Life Cycle Cost, Petroleum Consumption, and GHG Emissions,” Dec 6, 2010.
  3. Wall Street Journal: Ramsey, M. “High Battery Cost Curbs Electric Cars,” Oct 17, 2010.
  4. Wall Street Journal: Article citing Aquion Energy as having been selected by VentureTech as one of the United States’ 50 most promising Tech Start-ups, October 12, 2010.
  5. Pittsburgh Business Times, “Aquion Energy charges up battery production with new Lawrenceville facility,” August 9, 2010
  6. MSNBC: Petersen, J. “Toyota’s Straight Talk on Plug-in Vehicles,” July 12 2010.
  7. IEC Engineering and Technology Magazine: Edwards, C. “Batteries Struggle for Greater Power,” n9, June 16, 2010.
  8. Minyanville: Rohrlich, J. “Welcome Chevy Volt, GM’s Next Flop,” April 1, 2010.
  9. Toyota Sustainable Mobility Website: January 14, 2010, video recording of Jay Whitacre’s lecture on “Advanced Batteries”.
  10. Nature: “From Steel to Science” (Jay Whitacre and spin off Aquion Energy described in this piece), v463, January 14 2010.
  11. IEEE Spectrum: Ross, P.E. “Loser: Why the Chevy Volt will Fizzle,” January 2010.
  12. Commentary to Chemical and Engineering News on the environmental footprint of electric vehicle batteries, 2010 (Samaras)
  13. Commentary to Rocky Mountain Institute's Solutions Journal on serving as a Technical Advisor for RMI's Project Get Ready for Municipalities preparing for electric transportation, 2010 (Samaras)
  14. Commentary to Audubon Magazine on the environmental footprint of electric vehicle batteries, 2010 (Samaras)


  1. MIT Technology Review: (article about Jay Whitacre’s Sodium Ion Battery approach), December 2, 2009.
  2. Pittsburgh Tribune Review: “Carnegie Mellon University battery generates interest, $5M grant” (Announcement of $5,000,000 grant to Jay Whitacre to build pilot facility to manufacture batteries), November 25, 2009
  3. CNET News: LaMonica, M. “Q&A: Will the Chevy Volt make money for GM?,” October 30, 2009.
  4. Nippon Nightly News: "The future of the Automobile Industry" (Japan), April 2009 (Michalek)
  5. IEEE Spectrum: Schneider, D. “Why the Chevy Volt Doesn’t Add Up,” March 9, 2009.
  6. Automobile Magazine: Peterson, A. “Carnegie Mellon Study Finds High Capacity Plug-In Hybrids Cost Inefficient,” March 5, 2009.
  7. Fortune Magazine: Taylor III, A. “Taking the Charge out of Chevy’s Volt: A new study casts doubt on the benefits of the automaker’s much-hyped plug-in hybrid,” March 3, 2009.
  8. U.S. News and World Report:Study: Chevy Volt ‘Not Cost Effective in Any Scenario,” U.S. News & World Report, March 2, 2009.
  9. Bloomberg News: Ohnsman, A. “GM Volt Cost May Limit Value to Drivers, Study Finds,”  February 26, 2009.
  10. MIT Technology Review: Fairley, P. (2009) “Toyota to Deliver Plug-In Hybrids: The new Prius is designed so that its battery pack can be swapped out for a plug-in lithium-ion battery,” January 13, 2009.
  11. Commentary to Philadelphia Inquirer, reprinted in Minneapolis Star-Tribune, 2009  (Samaras)
  12. Samaras, C., and M.G. Morgan, Cap and Trade is Not Enough, Guest Opinion in Energy Biz Magazine, July/August 2009
  13. Commentary to CTV Canada, 2009 (Samaras)
  14. Commentary to Gasoline Marketer Magazine, 2009 (Samaras)
  15. Commentary to Business to Business Magazine, 2009 (Samaras)
  16. Commentary to Plenty Magazine, 2009 (Samaras)
  17. Green Car Congress: Millikin, M., "Study Finds PHEV Li-ion Iron Phosphate Cells Show Little Capacity Fade Under Combined Driving and V2G Usage; Economic Model Suggests Incentives Will Be Required for Vehicle Owners to Participate in V2G", 2009.

Other Outreach

  1. Sakti, A., contribution to ACEEE Fact sheet: "Factors that can contribute to cost reduction of lithium ion batteries for personal vehicles," August 2011.
  2. Sakti, A., Consulting internship with the American Council for an Energy Efficient Economy (ACEEE) on battery related issues for electrified vehicles in Washington, D.C., June-Aug 2010, June-Aug 2011.
  3. Traut, E., Viewing of the Hymotion Prius for employees and students at the National Energy Technology Laboratory for Bring Your Child to Work Day. Pittsburgh, 2010.