For many years, diesels were the undisputed masters of frugality, but with the rising popularity of zero emissions vehicles and the lasting effects of the Dieselgate scandal, they're no longer in ...

The Volkswagen XL1 is the most economical production car globally, achieving an official 250 MPG combined. Its innovative diesel hybrid powertrain, lightweight body, and aerodynamic design contribute ...

Gas, diesel, hybrid, or electric? Everyone wants their next car to have better fuel economy and wouldn’t mind if it’s better for the environment. But which engine is the right choice? Ultimately, it ...