Filed under: TransportationWe've heard some pretty zany claims when it comes to alternatively-powered vehicles, but Daren Luedtke is suggesting this his homemade electric van can propel itself some "500 miles" on a single charge. He also noted that it can be fully recharged in just eight hours, and he has apparently filed for a number of patents on the technology. The prototype Caravan, which took a few hundred thousand dollars to c
