Today on Green Car Reports: Envia's high-energy battery cell is mired in dispute, the new 2015 Ford Mustang sports a turbocharged four-cylinder engine, and we have our monthly Canadian plug-in electric car sales analysis. All this and more on Green Car Reports.

Envia's high-energy battery cell is mired in dispute; General Motors has reportedly canceled its deal with the company.

On a more positive note, GM also plans to expand landfill-gas usage to provide power for two assembly plants.

A Georgia man spends 15 hours in jail for 5 cents of power for his Nissan Leaf electric car--but there's more to the story.

The 2015 Ford Mustang has been revealed, with its first four-cylinder engine since 1993.

Chevrolet Volt soars and Tesla Model S tumbles in Canadian plug-in electric car sales for November 2013.

Mercedes-Benz follows Tesla's lead, and experiments with online sales.

The 2015 Lexus NX compact crossover will debut at the Geneva Motor Show, with hybrid and turbocharged gasoline powertrains.

_______________________________________________

Follow GreenCarReports on Facebook, Twitter, and Google+.