Filed under: MPG, Lotus

Another of Lotus Engineering’s research projects into more efficient motoring has been recognized. This time around, Project HOTFIRE received an accolade from The Engineer Technology + Innovation Awards 2008. HOTFIRE was a joint effort with Continental, University College London (UCL) and Loughborough University to develop a gasoline direct injection engine that reduces fuel consumption and CO₂ emissions by 15 percent. The project analyzed the combustion and consumption properties of similar engines with port and direct cylinder injection mechanisms. Lotus built a pair of single cylinder engines, one of which had a transparent silica cylinder liner allowing the in-cylinder combustion to be observed. Besides the fuel delivery, a variable valve timing system was used to measure the effects of early intake valve closing on consumption and emissions. Eventually a full engine was built and installed in an Opel Astra demonstrator to evaluate real world performance. The Lotus press release is after the jump.

[Source: Lotus]

Continue reading Lotus wins award for HOTFIRE engine that cuts CO₂ by 15%

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