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The Japanese automaker's bottom line is likely to have been hit by its many safety recalls, weaker U.S. sales and Japan's rising currency. Analysts forecast Toyota will report a quarterly profit of about $1 billion on sales of $56.2 billion.

Zipcar members in San Francisco, Portland and Boston can try out Toyota's Prius plug-in hybrid, providing valuable info to Toyota before rolling the cars out to consumers in 2012. And Zipcar gets another way to make its greenhouse-gas- conscious customers happy.

Toyota managed to hold onto the title of world's No. 1 automaker last year, despite numerous safety recalls that took a toll on its sales. Toyota sold 8.42 million vehicles worldwide in 2010, enough to barely edge out resurgent General Motors, which rang up sales of 8.39 million.

New models from Ford and Toyota drew the hottest interest Monday as the North American International Auto Show opened in Detroit: Each announced several electric and hybrid vehicles, including an electric Focus and a plug-in Prius.

GM's long-anticipated plug-in electric hybrid hatchback picked up top honors at the huge auto industry show. The Volt was joined by Ford Motor's Explorer midsize sports-utility vehicle, which was awarded North American Truck of the Year.

Fuel efficiency remains the top concern among new car buyers around the world, which is likely to boost demand for hybrid and electric vehicles, according to a report from KPMG. But the survey of senior auto-industry executives worldwide also showed that many have serious concerns about such vehicles' affordability.

Will the Chevy Volt -- General Motor's new plug-in hybrid unveiled today -- be a game changer, as CEO Daniel Akerson hopes? We'll soon find out as the car is scheduled to begin shipping to dealers next month.

When Toyota Motor reports quarterly earnings tomorrow it will give investors the latest snapshot of how big a toll massive recalls and tepid auto sales are taking on the company's bottom line.

Although Honda and Toyota remain the benchmark of reliability in the U.S. automobile industry, General Motors has made considerable strides in improving the quality of its cars and trucks, according to the magazine's 2010 Annual New Car Reliability Survey.

General Motors is firing back at the automotive press after critics' assertions that the much-anticipated Chevrolet Volt isn't a true electric car -- rather merely another hybrid, and not particularly fuel-thrifty.