 The Civic GX was recognized by the American Council for an Energy-Efficient Economy (ACEEE) as the "greenest vehicle" in 2010; representing the seventh consecutive year receiving this distinction.Honda offered the first fuel cell electric vehicle to retail customers in the United States, with its first generation FCX vehicle in December 2002.In 2008, Honda introduced an all-new FCX Clarity, a fuel cell sedan, which in 2010 was in the hands of more than two dozen retail customers based on lease sale agreements.