The life cycle of nuclear power results in relatively little global warming pollution, but building a new fleet of plants could increase threats to public safety and national security.
We estimated the effect of moving existing technologies into cars and trucks with the modest goal of reaching a fleetwide average of 35 miles per gallon (mpg) by 2018.
Fuel economy standards have remained essentially unchanged over the past 20 years—and automakers have increasingly exploited loopholes in Congressional and regulatory language.