1 Today alcohol is involved in 37% of all traffic deaths among persons aged 16 to 20.  Of particular importance for prevention efforts is the recent realization that alcohol abuse, dependence, and related problems such as alcohol-impaired driving must be addressed throughout the lifespan, not just at middle age.
The corresponding cost and price benefit, which SpaceX President Gwynne Shotwell has said could give customers around a 30 percent discount over expendable versions, is not yet listed in the price chart. Prices are shown as $62 million for the Falcon 9 Full Thrust and $90 million for the Falcon Heavy.
Because of the low availability relative to demand, rhenium is expensive, with an average price of approximately US$2,750 per kilogram (US$85.53 per troy ounce) as of April 2015; it is also of critical strategic military importance, for its use in high performance military jet and rocket engines.