Methanol economy advantages compared to a hydrogen economy: 1  Efficient energy storage by volume, as compared with compressed hydrogen. 2  A liquid hydrogen infrastructure would be prohibitively expensive. 3  Can be blended with gasoline (for example in M85, a mixture containing 85% methanol and 15% gasoline). 4  User friendly.
Two things contribute to air pollution that can cause an air quality alert: 1  Ground-Level Ozone â High-levels of ground-level ozone are frequently the cause of air quality alerts. 2  Particulate Matter â Particulate matter consists of pollutants such as dust, soot, ash and wood smoke.
Common reasons why an air conditioner freezes up: Inadequate Air Flow. Anything that restricts the air flow over the coil surfaces can disrupt the balance of your system and cause icing. Dirty filters, damaged blower motors and dirt build-up on the evaporator coil can all seriously obstruct air flow.