In stock car racing, there's an old adage: If you ain't cheatin', you ain't tryin'. You could say the same sometimes for auto makers up against stricter environmental rules.
If you're driving a diesel-powered four-cylinder Volkswagen, you're stuck with a fun-to-drive machine that's belching unhealthy pollutants from its tailpipe.
Where does a practical car like the Toyota Prius go to reinvent itself? The same place many people go to let loose and have fun: Las Vegas.
The 2016 model year has plenty of workhorses, including new versions of the Toyota Tacoma and Nissan Titan pickups, Chevrolet Malibu and Kia Optima sedans and the Honda Civic small car.
Despite steady advancements in fuel-saving technologies in the last 25 years, on-road fuel economy for all vehicles has improved by less than a mile per gallon during that time—partly because it takes many years to turn ...
Vehicles with clean diesel technology may be more expensive to buy or lease than those that run on gasoline, but they can save their owners thousands of dollars within just a few years, says a University of Michigan researcher.
Gas mileage of new vehicles sold in the U.S. slipped last month, according to researchers at the University of Michigan Transportation Research Institute.
While nearly all American drivers are at least somewhat concerned about fuel economy, a majority don't care how a vehicle saves fuel—just that it does, say University of Michigan researchers.
The analysis used by federal agencies to set standards for fuel economy and greenhouse gas emissions for new U.S. light-duty vehicles—passenger cars and light trucks—from 2017 to 2025 was thorough and of high caliber ...