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.
united states drunk driving statistics. drunk driving & fatalities in the usa nearly 30 people die every day from drunk driving that's 1 death every 48 minutes in 2010, 10,228 killed from alcohol impared driving 31% of all traffic related deaths in the us 17% of traffic deaths with children ages 0-14 involved an alcohol impared driver 61% of thos children were riding in the vehicle of the alcohol impared driver 1.4 million drivers arrested for driving under the influence 1% of the 112 million self reported episodes of alcohol impaired driving drugs other than alcohol e.g., marijuana and cocaine are involved in about 18% of vehicle driver deaths.