There's more diesel than gasoline in most crude oils, but I'm not sure why the price lagged so much.

The current run-up is a result of home heating oil inventory accumulation, I'm sure -- more fuel gets used heating homes in the Northeast than is used to power trucks in the winter, I believe.

I'd not park the diesel for a gasser unless the gasser gets better milage (mine don't!), and gasoline is about the same price here anyway -- or more, they both require premium.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!