Researchers in China have designed a two-stage, solar-assisted thermochemical heat pump system that uses caustic soda and water as a working pair. The system is reportedly able to achieve an energy ...

Scientists in Sweden experimentally evaluated a Stirling engine–based Carnot battery (SECB) prototype using low-cost sand as ...

Welcome to our series answering reader questions and concerns about how to cut the utility company cord. I currently use wood to heat my off-grid home but would like to figure out my options for using ...

Solar heaters are gaining popularity worldwide due to government incentives promoting renewable energy and consumer desire to reduce utility costs. Cyprus leads in solar water heater adoption, with 93 ...

From a distance, the energy system on top of a college residence hall in Omaha, Nebraska looks like photovoltaic panels. But as you get closer, it becomes clear that this is something different, with ...