On Sun, 17 Aug 2003 22:08:02 +0100, "IMM" wrote:

I find that when you start to accelerate and drive quick in turbo diesels
the fuel consumption rockets, far more than the equiv petrol

Of course it does. There's only so much extra energy in the fuel, and only
so much extra thermal efficiency in the engine. Beyond that, more power =
more fuel = poorer fuel consumption.

People see figures such as 150bhp, 250lb/ft and 50mpg, and think they can
all be achieved at the same time. Yeah right. (Not saying it's a bad thing
that one engine can achieve all three, however.)

--
John