This episode is set at the Cleantech House in Beverly, Mass., a showcase of the latest in energy-saving design. Licensed contractor and host Amy Matthews goes to Kremmling, Colo., to see how Confluence Energy is turning blighted trees into clean-burning wood pellets for home stoves and furnaces. Amy checks out the latest material in faucets - carbon fiber - and host Kevin O'Connor takes a whole-house dashboard for a spin. In Kohler, Wis., Kevin sees how one company is modifying its showerheads and toilets to work within the stringent new EPA WaterSense requirements. In Dorchester, Mass., Kevin sees the very latest in LED (light-emitting diode) lighting and Amy lands in Las Vegas, Nev., to learn how Pulte Homes, the country's largest homebuilder, is building money-saving features into a new LEED-certified development.