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In 2015, gas prices fell below $2 per gallon in Moscow Mills, Missouri. The trend of low gas prices across the United States delay a signature Obama proposal to reduce emissions from cars and trucks. Whitney Curtis/Reuters

Cheap gas could delay America’s efficiency targets for cars and trucks

Faced with stringent fuel economy standards but cheap gas, automakers may seek to delay CAFE rules. What's the best way to reevaluate these emissions-cutting rules?
Americans like big vehicles – a serious challenge to reducing emissions. chrisgold/flickr

Will cheap gas at the pump stall progress on car emissions?

American consumers just aren't prioritizing fuel efficiency in a time of low gasoline prices. Is there a way to reverse the trend and make progress on climate change?
While the higher gas mileage may lead people to drive a green car more often, its other attributes may be less appealing. Green car via www.shutterstock.com

Do greener cars lead consumers to hit the road more often?

Some worry that efforts to reduce energy consumption by increasing fuel efficiency cause a so-called rebound effect that eats into the expected savings. We tested the theory.

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