French carmaker PSA Puegeot Ciroen unveiled two demonstration diesel-hybrid vehicles that can acheive fuel economy ratings of almost 70 miles per gallon. PSA wants to begin selling tens of thousands of these cars annually from 2010. PSA has not entered the gasoline hybrid market because it believes that clean diesel engines alone can provide low fuel consumption and emmissions comparable to gasoline-hybrid engines. By creating a diesel hybrid, an additional fuel savings of about 25 percent can be achieved over a standard diesel engine.
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