FEATURE ARTICLE

DPF, DEF, and SCR Explained: A Complete Guide to Diesel Emissions Systems

Since 2001, GTC Services has been a trusted name in heavy-duty diesel and trailer repair throughout Converse, TX, and the greater San Antonio area. What began as a small family operation supporting a local trucking fleet has grown into one of South Texas’s most respected service centers for fleet maintenance, HVAC repairs, transmission rebuilds, and welding services. Our mission has always remained the same—keep trucks on the road and minimize downtime for the hardworking professionals who depend on them.