4. Treadwear â The Treadwear rating (on the sidewall and the new tire sticker) is a number; the larger the number the longer the tire will last. The Treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example a tire graded 150 would wear one and a half (1.5) times as well on the government course as a tire graded 100. Actual results will vary.
Morales En1420 Exploratory Paper BIOFUELS 1. Biofuels should be used more widely than some of the fuel sources we use today. Biofuel is a natural source... Save Paper â Words: 268 â Pages: 2. Biofuel. amounts of energy.
Biofuel mandates are not just for the United States. Biofuels are supported by many governments throughout the world. Posted on February 25, 2013 by  Mark Seamon, Michigan State University Extension. The United States has adopted policies to mandate the use of biofuels in blends with petroleum fuels. The primary policy that details the volume of biofuels that must be used in the United States is the Renewable Fuels Standard (RFS). The RFS was created in 2005 and was expanded by the Energy Independence and Security Act.