A Canadian auto journalist (a master automotive mechanic and automotive technology teacher) has chosen Toyota's heat transfer technology as his "stand out" technology from the past year:
Exhaust heat recirculation
Not sure there's much technically new in his piece that hasn't already come up in this thread, other than the author saying:
Quote:
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There is no documentation on how much the system improves engine efficiency on the Prius, but from experience, I can tell you that the engine and passenger compartment do warm up much faster. I look forward to seeing it used on more vehicles.
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