Here's the article:

And here's me taking credit/blame for it:

Copy sample:
Need to justify that gratuitous Vespa purchase? According to research from the Environmental Protection Agency, AAA and other sources, using scooters - even occasionally - can help reduce carbon emissions, save gasoline and increase worker productivity by stunning amounts.

For example, if U.S. cities were made more scooter friendly, we could save almost 4 billion gallons of gas annually by 2020 - and that means decreasing our dependence on foreign oil to $21.4 billion per year. The savings would also include 77.3 billion pounds of CO2 emissions each year.