Quote:
Originally Posted by humphrey999
1.5 miles per morning x 7 = 10.5miles/ 2 gallons petrol = 5.35mpg = something wrong with something but not the gas system....
Are your numbers right?
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Then 7 evening trips too, making your calculation nearer to 11mpg.....
Of course if your drive to work is only a few miles then you're not really getting the best out of an LPG car! SWMBO's S70 does the school run - 2 miles each way twice a day, plus shopping trips. Precisely because of this it's never been worth an LPG conversion.
I reckon my converted V70 will use about one gallon of petrol per week - that would typically be 5 morning cold starts, 5 evening cold starts, plus maybe another half dozen over a weekend. 16 x 2 miles each = 32mpg, 16 x 1.5 miles each would mean around 24 mpg. My feeling is that it's somewhere between these two extremes.
Typically I drive 2000 miles per month, which means that my 221,000 mile 2.5 litre petrol auto will do around 500 miles per gallon of petrol!
Cheers
Jack