Von Stach Products said its "HeatFlexx" heated frameless windshield wiper will be standard equipment on DiMora Motorcar’s $2 million, hand-built Natalia SLS 2 sport luxury sedan, said to be the world's most expensive production automobile. The frameless design of the HeatFlexx blade provides continuous even pressure to the windshield, reducing streaks while reducing wind lift at speeds up to 150 mph.