The ever increasing market for Alternative Fuelled Vehicles (AFV's) has encouraged several major Original Equipment Vehicle Manufacturers (OEM's) to offer fully engineered AFV's supported by factory warranty and comprehensive service backup. This paper describes the challenges faced by the OE's in providing high quality products to satisfy the customer needs and latest legislation whilst still compressing the development programmes into extremely tight schedules. The prime objectives of low emissions with good driveability will be discussed with consideration to the current market and legislative requirements. In just a few short years AFV's have come from the crude aftermarket carburettor to the integrated multifuel vehicles offered today. Looking to the future the potential benefits of these cleaner fuels will only be realised through comprehensive development programmes undertaken by the major OEM's.
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