Capturing emissions and recirculating them back through the engine to reburn them is inherently less efficient for power. It reduces the amount of emissions at the tailpipe at the expense of power and longevity. The EPA doesn’t give a shit about how much power your car makes, they care about the sulphur and NOx emissions from diesel engines making it into the air.
You can make a more fuel efficient and powerful diesel that will go for a couple million miles by straight piping it, but the emissions are god awful.
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How does that blow your mind?
Capturing emissions and recirculating them back through the engine to reburn them is inherently less efficient for power. It reduces the amount of emissions at the tailpipe at the expense of power and longevity. The EPA doesn’t give a shit about how much power your car makes, they care about the sulphur and NOx emissions from diesel engines making it into the air.
You can make a more fuel efficient and powerful diesel that will go for a couple million miles by straight piping it, but the emissions are god awful.
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Your Jetta can only hit those numbers rolling coal.
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