Automobiles

New standards that reduce sulfur in gasoline will also curb the soot that contributes to climate change and lung disease

The standards will help avoid up to 2,000 premature deaths per year and 50,000 cases of respiratory ailments in children while adding only an average of 1 cent per gallon to the cost of gasoline, the EPA says

A hybrid concept car would use solar power for short trips

The technology could help keep drowsy drivers awake

A new study suggests that more methane is leaking than the U.S. government estimates—but natural gas remains less polluting than coal

These images show how the world of a century ago depended on steel

A host of factors determine the role of electric and hybrid cars in reducing greenhouse gas pollution, such as whether coal is their ultimate fuel source. David Biello reports

 

Using data about when you drive, the times of your starts and stops, and your speed, insurance companies may be able to also tell where you go, even without GPS. Larry Greenemeier reports

 

Major automakers suggest that cars powered by hydrogen fuel cells will finally hit the road this year