energy conversion: Steam engines. Thomas Savery, an English inventor and military engineer, studied Papinâs work and built a steam-driven suction machine for removing water from coal mines. Saveryâs machine (patented in 1698) consisted of a boiler, a closed, water-filled reservoir, and a series of valves.
How big is the problem? In 2014, 9,967 people were killed in alcohol-impaired driving crashes, accounting for nearly one-third (31%) of all traffic-related deaths in the United States.1. Of the 1,070 traffic deaths among children ages 0 to 14 years in 2014, 209 (19%) involved an alcohol-impaired driver.1.
In fact, on average over the 10-year period from 2006-2016, more than 10,000 people died every year in drunk-driving crashes. In every State, itâs illegal to drive with a BAC of .08 or higher, yet one person was killed in a drunk-driving crash every 50 minutes in the United States in 2016. Men are more likely than women to be driving drunk in fatal crashes.