pCan you power a car with pond weed In searching for alternatives to fossil fuels, scientists are like detectives. They pursue clues--including investigating algae as a possible new energy source.ppThis book takes young readers inside laboratories to watch as scientists grapple with finding safe and cost-effective ways to harness alternative energy sources. Solar, wind, nuclear, geothermal, and biomass are discussed, and also introduced are futuristic technologies on the cutting edge of research today.ppThaddeus shares her conversations with scientists and plunges young readers into the world of practical science--of how researchers work on problems important to everyone. Their quest for renewable energy sources is a fascinating exploration of possible answers to the question, How will we fuel our futureppGeothermal vents with their steamy plumes, wind turbines and transmission lines silhouetted against the sky, the arrays of glistening mirrors that make up concentrating solar panels--