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.
According to the Encyclopedia of Earth (http://www.eoearth.org/article/Air_quality_in_megacities) âin most urban areas, emissions from increasing number of automobiles are a major contributor of harmful pollutantsâ but automobiles arenât the only reason for poor air quality in big cities.hings that can help improve air quality are little things like car pooling as well as walking or biking to places Another thing thats pretty big that can help a lot is wind-energy and hydro0energy.