BERLIN (Reuters) - Swedish carmaker Volvo's latest generation of diesel engines could be its last as the cost of reducing emissions of nitrogen oxide is becoming too much, Chief Executive Hakan ...

For decades, Volkswagen and Audi have held the only options for North American shoppers wanting a highly efficient model with a four-cylinder turbo-diesel—their 2.0-liter TDI engine. Now, with Mazda, ...

The EPA and CARB just approved a measure to reduce emissions from this set of vehicles covered under the Dieselgate settlement. Cars are Andrew's jam, as is strawberry. After spending years as a ...

In the diesel engine game, there are few names more respected than Cummins. The Columbus, Indiana, company has been making engines since 1919 with a focus on fuel efficiency and sustainability, which ...

For decades, Volkswagen and Audi have held the only options for North American shoppers wanting a highly efficient model with a four-cylinder turbo-diesel—their 2.0-liter TDI engine. Now, with Mazda, ...