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The problem of fuel economy as well as reducing emissions ideally leads to the complete combustion problem. In our view it has at least four complementary dimensions as the following; FUEL ADDITIVES: To enhance the engine operation and reduce hazardous emissions. This is the field of chemical engineers. IR LASER INITIATED COMBUSTION: By using the heating effects of Laser as well as the infrared absorption, and choosing the frequency of Laser around the “resonance” of the air-fuel mixture, we can initiate a very turbulent fast burning with super high initial temperature, which is a step toward perfect combustion. This is the subject of our other paper, PARTICLE BEAM: High energy particles such as UV-Laser and hot electron beams can break the “unwanted” chemical bounds. The research for construction of commercial electron guns is under progress. OPTIMUM ATOMIZER AND ALLOWABLE DELAY TIME: This kind of optimization improves combustion too.

The new global environmental regulations for reducing the engine emissions from both moving and stationary sources, as well as improvement in fuel economy are the major motifs to obtain a perfect combustion process and exhaust aftertreatment methods. Infrared (IR)-Laser initiated combustion provides a very high initial temperature, which produces propagation of a turbulent thermopressure pulse that results in a fast burning and improved combustion. The role of IR is to maximize the heat generation efficiency.