Improving fuel efficiency and reducing CO2 emissions as much as possible is one of the main tasks for the struggling American automaker General Motors who is currently facing a 60-day deadline to ...

Port fuel injection and direct injection are similar but distinct systems, so why do some engine designs include both?

The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...

REPLYING to the debate upon aircraft supply in the House of Commons, on July 10, the Minister of Aircraft Production, Lieut.–Colonel Moore–Brabazon, mentioned that where the British aero engine ...

Alex Kaufmann September 5, 2007 Comment Now! GM will be debuting a new direct-injection petrol engine in the 2008 Cadillac CTS but according to a new report the power-boosting technology could carry ...

However, not all innovations are equal, and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...

Lots of new car engines these days are built with both port and direct fuel injection. On the surface, that might not make much sense. Why would a carmaker use two different types of injection methods ...

Petrol ATThe Hyperion series started off with the 1.2-litre, 3-cylinder engine in the Curvv, and now the series continues ...

The other day I dropped my car off at a European specialist shop, and while I was there, a technician was working in the engine bay of a Mk7 Golf R, cleaning out carbon deposits off the intake valves.

The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...