Urban harmony [diesel engine]

This paper discusses a new prototype engine that is claimed to greatly improve fuel economy particularly urban driving is presented in this paper. The technology comes under the unlikely acronym Music, which stands for Merritt unthrottled spark ignition combustion, an engine developed by Dr. Dan Merritt of Coventry University. By adopting diesel engine processes and incorporating them into a petrol engine, Merritt and his team say they have achieved a 20 per cent gain in efficiency, as well as a significant reduction in carbon and nitrogen emissions. A diesel engine is more efficient than a petrol one because it sprays tiny droplets of fuel into very hot air. Diesel fuel will ignite on contact with the heat. A petrol engine has to create a correct mix of air and fuel, which is less efficient.