Talking about Exxon Mobil, there is an article in Vol. 1, 2008 of the LAMP, its own news publication... see page 3 of the link...

http://www.exxonmobil.com/corporate/...

Harris predicts that electric and hybrid cars and light trucks may be running on lithium-ion batteries within the next two years. “We have already seen the first commercial launch of an electric vehicle that uses ExxonMobil’s battery separator film. In January, Electrovaya introduced the Maya-300, which is a low-speed vehicle with a range of up to 120 miles and designed for urban and neighborhood driving patterns.”