Environmentalists insist that consumers would come out ahead because they'd save so much on gas.

NPR: States Push Automakers on Fuel Efficiency

That is no argument for human carelessness, environmentalists insist: species can adapt to almost anything over millions of years, but man's activities, such as scraping the ocean floor with nets, cause unbearably abrupt changes to ecosystems which are as delicate, complex and fragile as any Brazilian forest.

ECONOMIST: Marine conservation

Sure, environmentalists will insist that more drilling in the U.S. will just continue our addiction to fossil fuels and will dirty up the air and water.

FORBES: Study: Fed Lands Hold Oil and Gas Bonanza