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Right, it is about the best comparison I can make. With the leaded vs unleaded, the main reason why the tank was designed with the restrictor plate (still in use today, even though in the US anyways TEL is long gone) is that the lead will plug the catalytic converter, so it's really "incompatable" with a vehicle with a catalytic converter.
With the newer Diesel engine problem, if they don't first of all get the oil companies to offer non-blended straight #1 Diesel fuel, it's a moot point. How can they offer the engine in a vehicle that will meet emissions standards, but only if it runs on a type of fuel that is widely unavailable? Secondly, if they do agree to it, then if they don't come up with something that will prevent misfuelling (the filling with #2 Diesel fuel) then probably the government won't allow it either, as there is no way to even slightly guarantee that the vehicle won't be misfuelled with #2 Diesel.
A big problem that I see is that to offer the #1 only will require another tank in the ground, another pump at the island, seperate chamber in the fuel hauler, etc etc all the way back to the refinery to keep the #1 seperate of the #2. And all for what? So Mercedes and a few other companies can offer these engines?
Hopefully within a few years they will work it out so it'll beat emissions standards on #2 Diesel.
Gilly
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