Hybrids and electric cars will continue to grow in popularity but don't count the gasoline engine out just yet, Voelcker writes.
The 2014 Jeep Grand Cherokee EcoDiesel will have a fuel-efficiency rating of 21 mpg city, 30 mpg highway for the rear-wheel drive version, Jeep predicts.
The Detroit Auto show next week is one of the most important events on the automotive calendar, and 2013 features some exciting new vehicles coming onto the market.
Tesla Motors has a set policy of not disclosing monthly sales figures or production figures until it has to by law, Voelcker writes, but online speculation abounds over Tesla Motors sales figures.
Electric or hybrid cars' low-speed silence, for some owners, is one of its greatest virtues, Ingram writes. But the Department of Transportation is proposing a minimum sound standard for hybrid and electric cars to help pedestrians detect approaching vehicles.
The US Department of Energy announced plans to expand its investment in the development of biofuels by $10 million, Ingram writes.
Sales of the Smart car and other tiny two-seaters have been disappointing in the US, despite soaring gas prices.
The "fiscal cliff" deal turns out to contain some good news for green energy, Voelcker writes, long a priority of president Barack Obama.
2013 Ford Fusion Energi becomes America's most fuel-efficient sedan, with a rating of 108 MPGe in city driving, Ingram writes. At $39,495 in SE trim, the 2013 Ford Fusion Energi costs $350 more than the Chevy Volt.
Lawsuit says fuel economy claims for C-Max Hybrid and Fusion Hybrid are 'false and misleading.' Ford says cars can deliver 47 m.p.g. with right driving style.
Canada is seeing the development of several charging station programs across the country, in preparation for increased electric vehicle ownership, Ingram writes.
Wireless charging sales for electric cars will surpass 280,000 by 2020, according to Pike Research.
Hong Kong authorities have brought in measures to ban the highest-polluting vehicles in an effort to achieve clean air targets, Ingram writes.
US sales of hybrid, plug-in hybrid, and electric cars should reach 440,000 units in 2012 – a 73% improvement over 2011 – according to market research firm Mintel.
Ford's C-Max hybrid has become the fastest-selling hybrid ever, even as Ford deals with discrepancies between the car's real-world gas mileage and its EPA rating.
Hybrid and electric vehicles are increasingly popular as a way of cleaning up city fleets, Ingram writes.
Ingram offers a wrap-up of the latest research on electric car batteries and energy storage – an important area for the future of cleantech.
The last place you'd expect to find garden herbs is in your car battery. But at least one, Rubia, can make car batteries more energy efficient, studies find.
The City of Indianapolis announced a goal to convert essentially its entire municipal fleet to hybrids or plug-ins by 2025, Voelcker writes.
Nissan Leaf electric car drivers are keeping pace with Chevy Volt drivers, having covered more than 100 million electric miles, Voelcker writes.