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jamesqf · 03-01-2009, 10:23 PM

The difference between those and and a mpg unit is that they're stand-alone units which need nothing from the car except a 12-volt power connection.

03-01-2009, 10:23 PM	#9 (permalink)
jamesqf Master EcoModder Join Date: Jun 2008 Location: Earth Posts: 2,651 Thanks: 31 Thanked 237 Times in 171 Posts	The difference between those and and a mpg unit is that they're stand-alone units which need nothing from the car except a 12-volt power connection.