sentences:  The Patriot as first designed was different in many details from the final design, which had numerous compromises, according to its creator, Chrysler engineer Ian Sharp, who wrote that similar designs appear to be under consideration for Formula One racing in 2012.Although introduced with much fanfare as a great leap forward in alternative energy storage and efficiency, press releases regarding the Patriot faded away.It was later revealed that serious problems with the mechanical integrity of the flywheel could not be overcome, and protection from a shattering flywheel would exact too much of a weight penalty.