Comments of the Week

The Prius is the best-selling hybrid in the world because it not only has an alternative powertrain, but it has an alternative look. Most other hybrids look like any other car. Even if G.M. couldn't exactly carry over the styling of the show car, they should have made the actual design more exotic, because the people that buy them are not interested in making a subtle statement. They'll want everyone to know how green they are.

G.M. Tones Down the Volt

RICK WAGONER, chairman of General Motors, unwrapped the production version of the series hybrid Chevrolet Volt as part of the company's 100th anniversary celebration on Tuesday. The Volt, whose small gas engine does not drive the wheels but keeps the 16 kilowatt-hour lithium-ion battery pack charged, will look nothing like the concept car that G.M. carted around to auto shows for years.

G.M. and Ford Officials Seeking U.S. Loans to Meet Fuel Goal

Executives from General Motors and the Ford Motor Company pressed their case on Tuesday for $25 billion in federal loans in a series of high-level meetings with lawmakers in Washington. The appearances by G.M.'s chairman, Rick Wagoner, and Ford's executive chairman, William C. Ford Jr., underscored how vital the industry considers the loans as it tries to meet tougher fuel-efficiency regulations.