Diesel cars, although extremely popular because of their speed and comfort of driving, have one major drawback. They produce exhaust fumes contaminated with soot and solid particles which negatively ...

Driver ignorance could push petrol back up the fleet agenda if problems persist with diesel particulate filters (DPFs). Car manufacturers say the only issue with DPF technology is that if a vehicle’s ...

The diesel particulate filter (DPF) has continued to improve over its 15-year existence. So have other components of aftertreatment systems (ATS) that help send cleaner exhaust through the DPF.

In November I purchased a SEAT Ibiza from the Car Shop. Around a month later the DPF warning light came on. I consulted the handbook and took on the advice to drive at constant high speed for 15 ...

We don't yet know, but probably not. Partly because, rather than 'soot', petrol particulates are much smaller and partly because the PPFs are close-coupled to engines with integrated exhaust manifolds ...

We appear to be learning from our mistakes in aftertreatment system maintenance, but we still have a way to go before we’re at peace with the things. Strictly speaking, diesel particulate filters, ...

Exposure to particulate matter leads to human suffering and high costs. But what exactly is particulate matter? What makes it so dangerous, and what can you do about it? Ties Korstanje, programme ...

You don’t say why you want to convert your Captiva to LPG and I think it’s important to establish that before you rush into something you might regret. I wouldn’t do it; I don't believe the systems ...

Just a couple of months after forking out a ludicrous $1220 for the 60,000 km service on my 2007 VW EOS - which I was told must be done by my dealer as no-one else had the diagnostic equipment to ...

I have a Fiat 500 1.3 Multijet diesel, bought in April 2008. It has done less than 3,000 miles and its annual service was carried out in February 2009 by the supplying dealer. There had been no ...