Fuel economy is a key factor in the operating costs for vehicles. A small difference in the overall miles-per-gallon rating can add up to big bucks over years of ownership. CR conducts extensive ...

Fuel economy is a perennial concern for car buyers, with record fuel prices being a painful memory for many drivers. But Consumer Reports’ tests show that you don’t have to sacrifice fuel ...

The fuel cell thermodynamic efficiency is given by the ratio of the Gibbs function change to the Enthalpy change in the overall cell reaction. The Gibbs function change measures the electrical work ...

While the country has made major strides in improving vehicle fuel economy and promoting electric and hybrid models, the public can't quite shake its love for pickup trucks and SUVs. Unfortunately ...