Riding mowers operate differently from most vehicles. The deck, which features the cutting blade, typically runs at a consistent speed. That means the mower's transmission controls its overall speed.

Abstract: To deal with the difficulties caused by uncertainty of renewable energy sources in solving transmission constrained unit commitment (TCUC), robust optimization (RO) and scenario-based ...

U.S. futures for the S&P 500 were down 1% and futures for the Dow Jones Industrial Average declined 0.8%. Changes in futures do not necessarily predict movements after the opening bell. In Europe, the ...