Trump's support for an increased federal gas tax could influence the gas tax repeal effort in California. (cnbc.com)
Part of the 10 cents per litre federal gas tax is funnelled back to municipalities for infrastructure projects. (canadianbusiness.com)
On May 19 President Barack Obama announced a new federal gas mileage standard: by 2016 the nation's entire car and light truck fleet should average 35.5 miles per gallon. (scientificamerican.com)