The cost of natural gas saved in 2006 $âs is $5,346. Payback period = $5,346 / yr$81,889 Simple Payback = 15 years However, itâs reasonable to assume that the price of natural gas would increase during the life of this system.
One hundred police officers have died nationwide so far in 2015 while in the line of duty, up 15 percent from this time last year, according to the National Law Enforcement Officers Memorial Fund, a nonprofit law enforcement information clearinghouse. Of those 100, 31 were gun-related fatalities.
215 Black Americans have been killed by police so far this year, at a rate of 5.38 deaths per million. February and March were the deadliest months this year, with 100 people killed by police in each month. Police have killed 32 people in December so far. CREDIT: ThinkProgress/Dylan Petrohilos.