A Toyota Prius with a California 'clean air vehicle' sticker drives in the carpool lane on highway 101 on May 6, 2011 in San Rafael, California. (Justin Sullivan/Getty Images)

That's it. At midnight last night, it was last call for singularly occupied hybrids in the diamond lane. Beginning today, the party is limited to all-electric and some natural-gas powered vehicles.

So how are Prius and other hybrid owners feeling about it? Our community engagement specialist, Ian Hill, scoured the web to find out what people are saying. Here's what he found:

Our daily radio talk show, Forum, also took on this topic this morning. You can listen to the show in the Forum archive.