Ford Patent Wants To Save Internal Combustion

There’s no doubt the venerable internal combustion engine is under fire. A recent patent filing from Ford claims it can dramatically reduce emissions and, if true, the technology might give classic engines a few more years of service life, according to [CarBuzz].

The patent in question centers on improving the evaporative emission system’s performance. The usual evaporative emission system stores fuel fumes in a carbon-filled canister. The canister absorbs fuel vapor when under high pressure. When the engine idles and pressure in the cylinder drops, the canister releases fumes, which are combusted with ordinary fuel/air mixture.

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