An industry source in Detroit has explained the secret engine technology for which the Environmental Protection Agency (EPA) has recently been recruiting engineers for the agency's development program (see WEVTU — March 1, '99 p.5). The principal focus of the publicly funded EPA effort is said to be the HCCI (homogenous charge compression ignition) engine (see WEVTU — June 1, '98 p.3). Rather than injecting fuel into the combustion chamber at the crank angle position where the beginning ...

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