Depends on the slope and coast. Coasting uphill (P&G) or on the flat then I slip out of gear and the SG2 shows 0.12 GPH and 300-500 MPG depending on speed.
On a slight downhill I can go into 5th or 6th and coast in gear - the gear chosen is low enough so that engine speed is above idle, so the car is 'turning' the engine and not the other way round. The fuel used drops to 0 GPH and 9999 MPH, and the loss of speed isn't that bad - enough to finish the slope.
On a steeper slope then in gear drops consumption to 0 GPH and MPG to 9999.
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[I]So long and thanks for all the fish.[/I]
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