An opposed-piston hydraulic free piston engine operating with homogenous charge compression ignition (HCCI) combustion, has been proposed by State Key Laboratory of Engines as a means of significantly improving the IC engine’s cycle thermal efficiency and lowering exhaust emissions. Single and...

The combination of environmental concerns and the growing demand for energy make the development of biofuels, an attractive alternative to fossil fuels, a goal for many researchers. The direct photosynthetic production of hydrocarbons, which are the major components of fossil fuels, is...