Copper State Models (http://www.copperstatemodels.com/) is to release in 2016 1/48th Caudron G.III and G.IV injected kits - ref. CSM1027 & 1028.
Source: https://www.facebook.com/copperstatemodels/photos/pb.1617634748525278.-2207520000.1445275520./1618166701805416/?type=3&theater
V.P.