Our future depends on a transition away from fossil fuels. To map out a path, we need to get to grips with how, and why, the use of coal, gas and oil has risen to unsustainable levels. Most fossil ...

A new study found that the benefits of car preheating for both fuel economy and emissions are minimal. The researchers focused on vehicle fuel consumption and emissions under cold winter conditions.

Fuel efficiency challenges for heavy trucks in African terrain, from rough roads and steep gradients to fuel quality, ...