Note: This is the second in a series that looks at the diesel particulate filter and maintenance best practices that an impact its lifecycle. The first installment, "Diesel coolant heaters boost DPF ...

At this stage, it's looking more and more like only rich people can afford gas, and the situation is even worse if you need to fill up with diesel. The cost of diesel fuel rose above $5 per gallon in ...

The EU’s enterprise and industry commissioner has called for a stronger focus on so-called second-generation biofuels, which do not compete with food crops and are more environmentally friendly. “It ...