Federal agencies often ask if Energy Savings PerformanceContracts (ESPCs) result in the energy and cost savings projected duringthe project development phase. After investing in ESPCs, federal agenciesexpect a reduction in the total energy use and energy cost at the agencylevel. Such questions...

Since the turn of this century, development of biofuels have progressed rapidly in Indonesia, Malaysia, Philippines and Thailand—the major biofuels producing countries in the ASEAN (Association of South East Asian Nations). The article analyses the biofuel polices, underlying drivers, and way...

Natural circulation solar water heating systems are available in varying collector geometries (and materials), storage tank capacities and specifications of individual components. Though theoretical and experimental studies including the test procedures are available to estimate the performances...