Fossil fuels, including coal, oil and natural gas, are currently the world's primary energy source.Formed from organic material over the course of millions of years, fossil fuels have fueled U.S. and global economic development over the past century.et fossil fuels are finite resources and they can also irreparably harm the environment. According to the Environmental Protection Agency, the burning of fossil fuels was responsible for 79 percent of U.S. greenhouse gas emissions in 2010.
Employees are granted up to two weeks (workweek equivalent) paid military leave from the start of the leave event. 1  Fitness for duty examinations (Pertains to examinations to determine the fitness of the person to perform any military duty covered by this policy.) 2  Funeral honors duty.
Selling Back Extra Leave Time. Surplus leave can be sold back at the time of reenlistment and separation or retirement. Each day of leave saved can be sold back for one day's base pay. A military member can only sell back a maximum of 60 days of leave during his entire military career. S/he can spread those 60 days out over different periods, for example, s/he may sell back 10 days of leave during his first re-enlistment, then 10 days during his next re-enlistment, and so on.