We may receive a commission on purchases made from links. The glow plugs in a diesel are like the spark plugs in a gasoline engine, but they function differently. The only similarities between glow ...

The popularity of diesel engines in passenger cars continues to fuel a number of innovations in the glow plug sector, writes Matthew Beecham. The main influences on the design of glow plugs centre on ...

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 ...