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.
Biofuels. Biofuels are produced from living organisms or from metabolic by-products (organic or food waste products). In order to be considered a biofuel the fuel must contain over 80 percent renewable materials.It is originally derived from the photosynthesis process and can therefore often be referred to as a solar energy source.There are many pros and cons to using biofuels as an energy source. This page contains articles that explore the many biofuel technologies.iofuels. Biofuels are produced from living organisms or from metabolic by-products (organic or food waste products). In order to be considered a biofuel the fuel must contain over 80 percent renewable materials.