ZEN Graphene Solutions Ltd.: ZEN Graphene Solutions Develops Fuel Additive ZEN" or the " Company") (TSXV:ZEN)(OTC PINK:ZENYF), a Canadian, next-gen nanomaterials technology company, is pleased to announce that it has developed a stable diesel fuel additive, which increased the performance of diesel fuel by up to 10% in initial testing. These tremendous early results can be improved further through additional optimization work. ZEN has filed a provisional patent for this graphene-based fuel additive technology. Greg Fenton, ZEN CEO commented: "Energy and fuel are crucial to global economic pro...