The EM 45is, EB 45i, EM55is, and EB 55i power generators, which were put on sale in July 2004, have an output capability of both 100 V and 200 V and are equipped with Honda’s unique highly efficient inverter and an eco throttle that automatically controls the engine speed according to the electric load. Thanks to these technologies, fuel economy has improved by 30% or more (at 1/4 the rated output) compared with those of previous models*.