It's a painful truth that our piston aircraft engines only convert about one-third of the fuel's energy into useful power. Mike Busch explains why the other two-thirds of the energy is wasted, and what we can do to reduce that waste. Savvy Aviation offers Professional Maintenance Services to owners of General Aviation aircraft, such as: Savvy Mx (Professional Maintenance Management), Savvy QA (Expert Consulting), Savvy Prebuy, SavvyAnalysis (Engine Data Analysis) and Savvy Breakdown Assistance. For more info see https://savvyaviation.com and http://www.sportys.com/pilotshop/sporty-s-breakdown-assistance-program.html. This channel offers videos about those services, and webinars hosted by Mike Busch which were produced by the Experimental Aircraft Association (EAA) and sponsored by Aircraft Spruce and Specialty.