TOYOTA CITY, Japan — When all is said and done, the primary obstacle to wider penetration of hybrid and other alternative powertrains is not likely to be system cost, or even running performance, but rather continuing improvements to the internal combustion (IC) engine. And one of the biggest proponents of the IC in Japan is Tsutomu Tomita, one of Toyota's top engine engineers. “As long as there is fuel, gasoline or diesel,” he says, “internal combustion engines will be around. And that ...
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