Mazda CX-9 Diesel
does anyone know if there is a plan to put a diesel engine on the Mazda CX-9?
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Yes, normal diesel comes from crude oil, but it requires less refining and much less energy to produce than gasoline does. A gallon of diesel also stores more energy than a gallon of gasoline; hence the already-mentioned vehicle fuel-efficiency gains. Add these together, and you have an energy source that is easier on the planet than than the majority fuel choice. Yes, at this point, most diesel's still from an unrenewable resource, but with gas prices where they are, we as a nation should at least be looking at this lesser of two evils.
For lesser evil still, bio-synthetic diesel looks promising, but then again, so does the used french-fry oil at fast food restaurants...
Fry fuel: McDonald’s franchisee runs cars on it
Incidentally, I would think that any vehicle with "U" in its abbreviation would be perfectly suited for diesel engines. Diesels have long been a "status symbol" for pickups; that the "rugged utility" image of a diesel hasn't trickled down to SUVs and then to CUVs just demonstrates the hyprocrisy of our infatuation with a car-based vehicle that looks butcher than it really is...
But diesel also requires up to 25% more oil to produce and emits up to 17% more greenhouse gas than gasoline. (Gasoline or Diesel?)
Better for the environment? It may be a wash.
SUVs and Smart Shopper
Thermodynamically speaking it is more efficient, and it is for a very simple reason, the compresion rate is way much greater than in gasoline cars, so what does this mean? that they need less rpm, to produce the same energy, thats why a diesel engine has a better fuel economy, because the energy transferred to the crankshaft is greater, needing less rpm, therefore less fuel, adn with the new diesel upgrades, the diesel engine becomes a more effective option for great power, saving some chips and protecting the environment. peace