Quote:
Originally Posted by Martinjlm
Actually, this is a very good example. EU set certain standards for vehicle emissions. Different set of rules for petrol and diesel. VW CHOSE to cheat their way to compliance rather than innovate the path to compliance. By contrast, the US also has set requirements for diesel emissions. Mazda worked super hard to find a configuration that would meet US regs without using SCR. When they finally realized they had to incorporate SCR, they introduced the CX-5 diesel to the market, about three years late. They played by the rules. Unfortunately they came to market at a point where nobody cared, so now CX-5 diesel is gone again.
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The problem with diesel CX-5 is that it is way too expensive(the top Signature trim only and needs extra money on top of that) and the fuel mileage is not significantly better than the 2.5G unit. And it's piss slow, even slower than the 2.5G unit. I know no one drags a CX-5, but that's still pathetic considering that Mazda's own 2.5T gasoline unit performs better and is cheaper.
Diesel CX-5's failure is exactly why VW chose to cheat. In order to meet the emission standards, fuel economy and power have to be sacrificed, so much that the product is just unappealing to customers.
And then there is the hybrid vehicles that make diesel small passenger cars irrelevant.
Again, when the regulation is made that most people can't follow it or have to make huge compromises to follow it, it doesn't make sense. I have already provided two examples above on what happens when you make regulations that don't make sense. Nothing good.
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