For most cars and trucks, gasoline and diesel engines follow the same four basic steps to make power: intake, to get a mixture of fuel and air into the cylinders; compression, to squeeze that mixture ...

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 ...