The EPA releases a proposal to increase ethanol blends, even in the summer when it can increase smog. Mazda may have more plans for its rotary engine technology than a single new hybrid. Conversion company XL Hybrids releases its new Heavy Duty Ford F-250 Hybrid pickup. And we run down the best deals for March. All this and more on Green Car... Mazda rotary hybrids, Ford F-250 XL Hybrid, EPA ethanol push: Today’s Car News
The EPA releases a proposal to increase ethanol blends, even in the summer when it can increase smog. Mazda may have more plans for its rotary engine technology than a single new hybrid. Conversion company XL Hybrids releases its new Heavy Duty Ford F-250 Hybrid pickup. And we run down the best deals for March. All this and more on Green Car... 
There's no way to save more fuel than to do it in something that already uses a lot of it. That's what XL Hybrids aims to do by adding hybrid and even plug-in hybrid systems to Ford pickups. On Tuesday, the Massachusetts-based "upfitter" announced that it received certification to sell its F-250 Hybrid in California, which has stricter emissions... 
Improving fuel efficiency doesn't always require creating a new vehicle. XL Hybrids markets modifications that allows fleet buyers to "upfit" their vehicles into hybrids. So far, the company's efforts have focused on hybrid powertrains for vans, box trucks, and shuttle buses. DON'T MISS: Ford Transit Van Gets Add-In Hybrid Kit For Better Fuel...