A source at the Department for Culture said: "There has been a loophole developing on advertising regulation, and we need to see the ASA regulate advertising on the net, especially that aimed at children".
As an industry leader, Mr. Kummel was an opponent of government efforts to regulate advertising.
It regulates advertising, marketing, and consumer credit practices, and also prevents antitrust agreements and other unfair practices.
The Federal Trade Commission, which regulates advertising claims, raised the question Tuesday in its first hearing in a series on green marketing, this one focusing on carbon offsets.
Out of "enlightened self-interest," as Ms. Myers put it, the association has begun referring egregious marketing claims to the Federal Trade Commission, which regulates advertising.
Another is in the UK, where the Advertising Standards Authority (which regulates advertising in all forms of media) is funded through a 0.1% levy on the cost of buying advertising space and 0.2% levy on some direct mail.
The agency, the report said, should be able to regulate advertising that might reach teenagers and force tobacco companies to remove harmful or addictive substances such as nicotine from cigarettes.
Ben Bradshaw, the culture secretary, and Ed Balls, the children's secretary, met the Advertising Standards Authority last month to impress upon the body the need to regulate advertising aimed at children on the internet.
Adding to any confusion they might feel, the Leaf will have a second sticker from the Federal Trade Commission — it regulates advertising by alternative-fuel vehicles — displaying the car's range as 96 to 110 miles.
