Automakers are deciding whether to choose stricter emissions standards set by California, or a regulatory "freeze" proposed by the Trump administration.
President Donald Trump has promised to roll back fuel efficiency rules, but there is still no firm decision. Click the audio player above to hear the full story.
Low gas prices may lessen the shine on hybrids, but that's not the only reason.
The Crude Economy
Poorer people spend much more of their income on commuting.
Facing ambitious new federal mileage standards, and higher gas prices, automakers are touting ‘fuel efficiency’ at the North American International Auto Show this week.
Easy Sustainability Answers
Should cars get grades on fuel economy and greenhouse gas emissions? Would a grade make you think differently about buying a new car?
Easy Answer: The EPA has proposed new labels for cars that include a letter grade for fuel economy and greenhouse gas emissions. The grading scale...