By Heather Burlingame, Senior Production Editor | September 28, 2010

Oasis 3000-Series air compressorsThe new 3000-Series air compressors from Oasis feature special oil-control piston rings which, says the manufacturer, minimize crankcase-lubrication discharge into the compressed-air supply. The HP3000 and XD3000 are 12-volt DC models designed for use on commercial service trucks.