nder the Obama administration’s pollution-cutting mileage and emissions rules, the fleet of new cars sold in the United States in 2025 must average 54.5 mpg, with the fleet growing cleaner each year on the way to that strong standard. But a new report from the Environmental Protection Agency demonstrates how loopholes are letting most ...

Besides the Prius, most fuel-efficient cars exist in small numbers. The auto companies have a serious case of Prius envy. Just look at how they seek to sell their cars.

They tout "efficient" models, making "best in class" claims, shouting "ecoconscious" and how gently they treat the environment. You'd think all they were selling was the Prius. Unfortunately, when it comes to fuel efficiency and emissions, few come close to the Toyota ...