(Reuters) - REFILE - CORRECTING DATE A driver cleans the window of Toyota Motor Corp's fuel cell hybrid vehicle before heading to the airport to picking up a delegate attending this weekend's climate talks in Kobe, western Japan, May 23, 2008. Environment ministers from rich nations and other major greenhouse gas emitters will seek to build momentum for talks on emissions reduction targets this weekend in Kobe, but agreement will be hard to reach. REUTERS/Yuriko Nakao (JAPAN)

(AP) - In this Oct. 21, 2007 file photo, a visitor looks at hybrid car 'Prius' displayed at Toyota Motor Corp's showroom Toyota Mega Web in Tokyo. Toyota is building a 20 billion yen (US$192 million; euro122 million) plant in Japan to produce batteries for gas-electric hybrid vehicles, as it seeks to keep its lead in an intensifying race for green cars set off by soaring fuel prices, a Toyota spokesman said Friday, May 23, 2008. (AP Photo/Itsuo Inouye, FILE)

(AFP/File) - The Toyota logo. Toyota Motor Corp. announced Thursday a small revolution in its relations with workers, agreeing to pay overtime for "voluntary" quality control activities, a tradition at the Japanese auto giant.(AFP/File/Stan Honda)

(AP) - With three Toyota Corollas on the Addis Car Sales lot in Tucker, Ga., Mike Haile has one of the top selling cars available in the current market Tuesday, May 20, 2008. Haile sites graduating students, gas prices and fuel efficiency for the increase in small car sales. (AP Photo / Jenni Girtman)

(AP) - At the Addis Car Sales lot in Tucker, Ga., Mike Haile points out a few of the features in a 2006 Toyota Corolla CE available for $10,900, the Corolla is one of the top selling cars available in the current market Tuesday, May 20, 2008. Haile sites graduating students, gas prices and efficiency for the increase in small car sales. (AP Photo / Jenni Girtman)

(AP) - Mike Haile cannot buy Honda Civics for the same price he was buying them last year for his used car lot, Addis Car Sales in Tucker, Ga. Tuesday, May 20, 2008. He does have three Toyota Corolla's, also a top selling car in the current market. Haile sites graduating students, gas prices and fuel efficiency for the increase in small car sales. (AP Photo / Jenni Girtman)

(AP) - At the Addis Car Sales lot in Tucker, Ga., Mesele Haile points out a few of the features in a 2006 Toyota Corolla CE available for $10,900, the Corolla is one of the top selling cars available in the current market Tuesday, May 20, 2008. Haile sites graduating students, gas prices and efficiency for the increase in small car sales. (AP Photo / Jenni Girtman)

(AP) - With three Toyota Corollas on the Addis Car Sales lot in Tucker, Ga., Mesele Haile has one of the top selling cars available in the current market Tuesday, May 20, 2008. Haile sites graduating students, gas prices and fuel efficiency for the increase in small car sales. (AP Photo / Jenni Girtman)

(AP) - Mesele Haile cannot buy Honda Civics for the same price he was buying them last year for his used car lot, Addis Car Sales in Tucker, Ga. Tuesday, May 20, 2008. He does have three Toyota Corolla's, also a top selling car in the current market. Haile sites graduating students, gas prices and fuel efficiency for the increase in small car sales. (AP Photo / Jenni Girtman)

(AFP/File) - The Toyota Fuel Cell Hybrid Vehicle at the New York International Auto Show earlier this year. Honda Motor has said it will spend 1.5 billion dollars on two new plants as it steps up production of fuel-efficient cars, including a cheaper hybrid due to be launched early next year.(AFP/File/Stan Honda)