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Two-stroke engines don't have to be environmentally a poorer choice than four-stoke engines. Evinrude's e-tec two-stroke outboard engines are quite popular and
by phillc73 7y ago
Two-stroke engines don't have to be environmentally a poorer choice than four-stoke engines.
Evinrude's e-tec two-stroke outboard engines are quite popular and have received awards for low emission levels.[1]
[1] https://en.wikipedia.org/wiki/Evinrude_Outboard_Motors https://en.wikipedia.org/wiki/Evinrude_Outboard_Motors
- TheSpiceIsLife 7y agoI wasn't aware of this: With direct fuel injection and a sump-based lubrication system, a two-stroke engine produces air pollution no worse than a four-stroke, and it can achieve higher thermodynamic efficiency. https://en.wikipedia.org/wiki/Two-stroke_engine#Applications https://en.wikipedia.org/wiki/Two-stroke_engine#Applications