Abstract
Most widely acceptable, new-generation alternatives to the fossil (diesel and gasoline) fuels are alcohols, biodiesel, hydrogen, dimethyl ether, and natural gas. Current supply situation of these alternative fuels does not allow for a full replacement of the fossil fuels. For achieving the stringent emission norms (i.e., beyond EURO V or Bharat Stage V), engine manufactures are facing challenges in terms of engine technology upgradation while simultaneously controlling the cost for design and modification of the engine and fuel injection equipment for blending as well as using alternative fuels. This chapter reviews the fuel injection equipment technology employed worldwide for the alternative fuels (or its blend with the fossil fuels) and suggests important modifications. The injection strategy optimization, which includes understanding the fuel injection systems’ requirements and the interplay between various injection parameters for different fuel blends, is also discussed.
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