Raising the price of gas to $7 per gallon may be necessary to meet the U.S. Environmental Protection Agency’s 2020 targets for cutting greenhouse gas emissions by 14 percent, says a new report from Harvard’s …

Can D.C. use a bag tax to fund public transportation? Photo by nicasaurusrex.
Yesterday, the D.C. Council finalized the five cent tax on paper and plastic bags at grocery, drug, convenience and liquor stores. This is …