Marketplace Money, the esteemed personal finance program, recently focused on the car culture, doing a whole show out of Los Angeles. Host Tess Vigeland talked with two experts about car buying, Madeleine Brand talked about her boyfriend the car, and Off-Ramp host John Rabe described his travails with a vegetable-oil burning Mercedes. Listen to John's piece above; CLICK THROUGH for the others, plus a link to Marketplace Money's car special, and their special event at the Crawford Family Forum on how to avoid getting ripped off when you buy a car. (Marketplace Money airs Sunday at 2 on 89.3-KPCC.)