Owners of diesel trucks are likely to seek methods of increasing performance and fuel economy and most probably may discover a bottleneck with the Diesel Particulate Filter (DPF). The DPF is important ...

I'm looking to buy a Citroen C3 Picasso, it's a 2015 diesel, and I was worried I may not do enough miles in it to keep the DPF healthy. I'll be doing about 8000 miles per year and the majority of ...

I'm considering buying a Mazda CX-5, which I’ll drive for 8000 miles per year. You say the diesels should not be subjected to short runs if at all possible, but what is a short run? My pattern of ...