Spark plugs help you start gasoline engines and glow plugs do the same in diesel engines. But how do they go about providing ...

Designed to be combined with a high-tension magneto ignition system, the spark plug solved what Carl Benz had described as ‘the most fundamental obstacle to early motoring’. Over a century later, the ...

New analysis of diagnostic data reveals the three most common winter car failures – and how much they could cost drivers to fix.

Posts from this author will be added to your daily email digest and your homepage feed. is an editor overseeing The Verge’s product reviews and service journalism programs. Dan has covered the ...