emissions

BYD and Wayne Engineering will sell an all-electric garbage truck.

FCA and Cummins are being sued over alleged excess emissions in heavy-duty diesel pickup trucks.

Stanford researchers found that battery-electric cars are a better option than fuel cells.

Start-stop systems will continue to proliferate over the next decade, analysts say.

Renewable energy will hit 9 percent of the total U.S. generating mix in 2017, according to the Department of Energy.

Automakers are taking advantage of the fact that the EPA has no clear definition for crossover utility vehicles.

Chinese coal demand will continue to rise despite efforts to promote renewable energy, a new report says.

Leaked European emissions-testing rules give generous leeway to carmakers.

A European committee on emissions proposes a new agency to take over responsibility for testing from individual nations.

Germany's economic minister that Chinese electric-car mandates would give an unfair advantage to Chinese automakers.

Santa Monica, California, will require all new single-family construction to be zero-net energy.

Mercedes-Benz will introduce a new family of internal-combustion engines beginning next year.

China may soon incentivize hybrids alongside plug-in cars.

On-road emissions testing may cause carmakers to go back to bigger engines.

Exhaust emissions currently lead to substantial health costs, according to the American Lung Association in California.

At least in North America, ethanol is a contentious fuel. A decade ago, it was seen as a homegrown and carbon-neutral way to use less gasoline—and federal legislation mandated that increasing volumes be blended into U.S. fuel supplies. Much debate followed over using "food for fuel," its...

Rhode Island could become a leader in renewable energy.

Investors are calling on automakers to cut carbon emissions more aggressively.

India and the European Union pushed the Paris climate agreement past the tipping point for ratification.

U.S. carbon dioxide emissions from energy generation hit their lowest mark since 1991.