In article ,
Tim Watts wrote:
On 05/03/17 20:15, Chris Green wrote:
I *think* if you compare a diesel at a steady 70mph on the motorway
with a similar powered petrol engine at the same speed there's very
little to choose between them. It *used* to be that the petrol engine
was more economical but maybe the pressure to make better diesel
engines has meant that they've caught up.

It's a great pity that the 'lean burn' developments of petrol engines
petered out.


My 1980s Maestro with a Perkins diesel did 50+mpg and was pretty swift.

2l diesel VW Touran did upto 60mpg in max eco driving style on a motorway.

I can get that if I keep down to 60mph.

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from KT24 in Surrey, England