...because if you don't even at least pretend to care about the environment then it's no big deal to allow running your engines while there's not even anyone in the car?
...or because there appears to be no logical reason why it should even be offered?
i mean, what exactly is it for? or what does it do that a webasto or eberspaecher can't do better?

__________________
discs 'n drums 'n body roll