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.
Exercising more than usual during the day can also cause low blood glucose at night. Many of the classic signs of low blood glucose â including shakiness, light-headedness, dizziness, confusion, rapid heartbeat, irritability, and extreme hunger â can occur during the day or at night. Nighttime hypoglycemia has also been known to cause night sweats, headache, restless sleep, and nightmares.