While the list of car brands that still use diesel engines in 2025 is increasingly small, diesel still dominates when it comes to heavy-duty trucks. There are a number of reasons why diesels are the ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

Most people pump diesel without thinking about what's in the nozzle, but the stuff has a long journey before it hits your fuel tank. Diesel doesn't magically come out from underground — it's ...

The other two engine options include a 1.2-litre NA prior with 82 hp and 115 nm, paired only with a manual gearbox. There’s ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...

For decades, European automakers have championed diesel engines more than anyone else. After all, the technology was invented there – by German engineer Rudolf Diesel in 1897 – and the continent’s ...

Based on our real-world tests, here’s a look at the fuel efficiency figures of the 2.2 turbo-diesel automatic version of the Mahindra XUV 7XO.

The Tata Altroz Accomplished S Diesel is a premium hatchback that combines strong safety, modern features, and efficient ...

With a Master's degree in English Literature and six years of writing experience, Aayush has been contributing to TopSpeed for over two years. Since 95% of his personality is motorcycles, he goes ...

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...