ANALYSIS - Poor economic mileage from U.S. auto clunkers plan

By Wendell Marsh

WASHINGTON (Reuters) - Politicians, automakers and car dealers are banking on American consumers to trade in older gasoline guzzlers for new lean, green machines, lured by payments of up to $4,500 from the government.

But economists say the "cash for clunkers" program is unlikely to contribute much beyond a brief boost to economic growth in the current quarter. They cite the program's short duration and various eligibility rules among its shortcomings as a source of economic stimulus.

"It's a very small number of people that this plan will end up helping," Wachovia senior economist Mark Vitner said.

The Car Allowance Rebate System, signed into law on June 24, provides about $1 billion to be distributed as incentives for owners of gas-thirsty, older cars and trucks to buy more fuel-efficient new vehicles.

On the surface, the program would seem to have a triple benefit: the consumer saves a chunk of money, the suffering auto industry gets a boost in sales, and the environment can breathe just a little bit easier.

But there are restrictions. The vehicle being turned in must have been made after 1984 and have a fuel economy rating of less than 18 miles per gallon. Vehicles traded in will be scrapped, so the owner cannot get any money from a trade-in or sale on top of the government payment.

The vehicle must also have been insured continuously by the same owner for at least a year and the size of the payment is linked to the relative mileage improvement of the new vehicle. The program ends on Nov. 1.

Still, Vitner is one of many U.S. economists who has penciled in a somewhat stronger economic growth rate for the third quarter, thanks in part to increased auto production to meet demand from the new program.