The Cash Allowance Rebate System (CARS), more commonly known as Cash for Clunkers, has released a transaction report of all trade-in vehicles approved for payment as of October, found here: http://www.cars.gov/carsreport As a "car guy" I found it very interesting to pour through the excel file. CNG cars first caught my eye and then a few LPG vehicles. I decided to total the list and determine how many alternative fuel cars met their maker in...