3 ms·
True, but the super efficient ones must burn more cleanly, and realistically, they are trying to reduce CO2. And that is all dependent on how much fuel you bur
by tankerdude 9y ago
True, but the super efficient ones must burn more cleanly, and realistically, they are trying to reduce CO2.
And that is all dependent on how much fuel you burn. NOx emissions as well will differ as well but for the most part, a 20 mpg car will be much dirtier than a 50 mpg car.
- davidgould 9y agoThis is not quite right, one of the big tensions in designing combustion systems is the trade off of thermal efficiency (increased at higher combustion temperatures) against NOx generation (also increased at higher combustion temperatures).
- falcolas 9y agoIf this were true, motorcycles would be cleaner than every car out there. But tests have shown that - due to the reduced clean emissions tech in motorcycles - even though they consume the least fuel, they produce on the order of 10 to 1000x some of the nastier tail-pipe emissions.
- trendia 9y agoThe same is true for lawnmowers, leafblowers, and snowblowers.