January 5, 2012, Covina, CA – Biofriendly Corporation announced today that both Valero and NuStar will use Biofriendly’s Green Plus® fuel enhancer to meet the Texas Low Emission Diesel (TxLED) requirement. “In choosing Green Plusas their TxLED additive, Valero and NuStar can now say that they are offering the cleanest mass-produced fuel in the world at the most cost-effective price,” …