Mr Green's Blog

Wind power is the USA's leading source of renewable energy, offsetting 329 million metric tons of CO2 emissions each year. However, its expansion faces challenges like geographic limitations and transportation issues. Converting wind power to ammonia could solve these problems and offer additional environmental benefits.

The U.S. Department of Energy (DOE) has recently proposed new energy conservation standards for External Power Supplies (EPSs). These proposed standards, known as Trial Standard Level 4 (TSL4), aim to tighten energy efficiency requirements across all types of EPSs.

万辆校车为美国约2500万学生提供服务，每年行驶约34亿英里（约55亿公里），减少了约1700万辆私家车的需求。目前只有1%的校车是电动的，这使得黄色巴士成为政府减少碳排放的明显目标。