Gas prices may fluctuate, but one thing remains true: driving a fuel-efficient car can save you money in the long run. While fully electric vehicles are an option, hybrids and plug-in hybrids ...

Unfortunately, those beloved vehicles are well-known gas guzzlers with significantly worse fuel efficiency than smaller car models. Despite record warming across the globe, the demand for large ...

We've ranked the cars with the best gas mileage based on official fuel efficiency data and ratings from the EPA. They are ranked in order from best to worst by combined mpg figures, though some ...

Opposition Leader Peter Dutton has pledged to abolish a new fuel efficiency law if elected next month. He dubbed the scheme, which sets a yearly emissions ceiling for automakers to help Australia ...

Urban and city commuters require compactness and efficiency, leading to smaller tanks design. In addition, two-wheelers have a high fuel efficiency compared to any other vehicle and the majority ...

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 ...