A Friday sampling of health, science, and environment news:
New CAFE fuel standards: The rules governing fuel economy and carbon emissions for cars are changing. Kevin Drum explains with a handy chart.
Climate bill outlook cloudy: What did the White House have to say for itself about delaying the climate bill? Not much.
Cruisin' for a planetary bruisin': Friends of the Earth graded major cruise lines on their greenness. Are you surprised that none got an A? Now if they were to be graded on weirdness... [Seattle Times]
First lady hits the first farmers' market: Michelle Obama, who for some reason chose to wear a lei to the first White House farmers' market, appears to be perusing the potatoes. [Grist]