Diesel particulate filters have returned to headlines in recent days, after a Federal Court ruling that could see Toyota Australia pay up to $2 billion in compensation for faulty diesel particulate ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

Government agencies and car manufacturers have worked to reduce the emissions and harmful gases in our air over the last few decades. Automakers downsized car engines and pushed EVs, while the ...

You may recall when the EPA mandated that, starting in 2007, all new on-highway diesel engines must limit the emission of particulate matter. To comply with this regulation, equipment makers ...