Hybrid superiority: GM versus Toyota

Michelle Krebs says two modes are better than one, but where is her proof?

Recently, GM sponsored an event for a few journalists to check out their new Tahoe hybrid. More important, it was a chance for journalists to check out the new hybrid powertrain that was co-developed by GM, Chrysler and BMW - a collaboration which Krebs calls "unprecedented" (read more from Krebs).

Additionally, Krebs insists that the two-mode hybrid is superior to, for example, Toyota's single mode hybrid powertrain because it has a bigger "toolbox" to control fuel efficiency optimization. As a result, the two-mode hybrid achieves about a 25 percent overall improvement in fuel economy.

Talk, talk, talk.

I say, settle down Mrs. Krebs. First, a 25 percent improvement in fuel economy is in the same league as other hybrid cars. Second, while the two-mode hybrid ...(Finish GM's hybrids better than Toyota?)