The air resources board adopted a low-carbon fuel standard to carry out the legislation, but a judge blocked the state from enforcing the standard last month in order to allow lawsuits that challenge it to proceed.

FORBES: California Sets New Rules To Boost Zero-Emission Car Sales

Clinton also included in his address Sunday a renewed pledge to carry out research at the highest standard of ethics to ensure there is never a repetition of a government study in Tuskegee, Alabama, on poor black men whose syphilis went untreated for years.

CNN: Clinton's challenge: Find AIDS vaccine by 2007

Web services use standard Internet technologies to carry out multiple transactions on your behalf without your having to intervene.

FORBES: At Your Service

Only around half of the country's cable systems have been upgraded to a standard high enough to carry all these services, and they are only just being rolled out, so subscriber numbers are still small.

ECONOMIST: The battle for the last mile