21-03-2018 15:10 via sciencedaily.com

New valve technology promises cheaper, greener engines - Science Daily

Science Daily
New valve technology promises cheaper, greener engines
Science Daily
Date: March 21, 2018; Source: University of Waterloo; Summary: New technology reliably and affordably increases the efficiency of internal combustion engines by more than 10 per cent. The patented system for opening and closing valves could ...and more »
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