There was a huge boondoggle on propane conversion kits here in AZ in the late 90s. If I remember correctly, the state offered something like a $7,500 - $10,000 tax credit depending on whether you had a conversion kit installed on a large suv you already owned or bought a new suv and converted it to propane.
Demand for and sales of those vehicles and the conversion kits went nuts to the extent that the state shut the program down abruptly, well before planned, due to far more people cashing in than projected. As a result, dealers were left with excess inventory of large suvs and were dying to offload them as the carrying cost racked up. We didn't pursue the propane program, but got a new 2001 Tahoe for next to nothing as a result.
Demand for and sales of those vehicles and the conversion kits went nuts to the extent that the state shut the program down abruptly, well before planned, due to far more people cashing in than projected. As a result, dealers were left with excess inventory of large suvs and were dying to offload them as the carrying cost racked up. We didn't pursue the propane program, but got a new 2001 Tahoe for next to nothing as a result.
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