New technology turns petrol engines into low compression diesel!

October 3, 2005 It has been a sudden realisation - the world is running out of oil and the laws of supply and demand are set to make petrol prohibitively expensive in the very near future. Sonex Research has a new combustion technology that offers significantly better fuel consumption and greatly reduced emissions. The Sonex GDI Combustion System uses pistons modified to carry a chemical charge that initiates combustion from one cycle to the next, thus eliminating the need for spark plugs. High compression, typical of diesel engines, is no longer needed to make the fuel ignite; in fact, the chemistry causing this auto ignition process exists only at lower compression ratios. Thus, a low compression engine, typically used for burning gasoline, can be designed to burn either a lighter alcohol fuel like ethanol, or a heavier fuel like (bio)diesel when equipped with Sonex pistons, common rail direct injection system and associated electronic control system to control injection pressure and timing. The technology could well be first deployed powering UAVs for the military in Iraq. By James Bauernschmidt

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