Since 1997 On-Site Fuels,
Inc. has been providing fueling services for construction companies, utility companies, lumber companies, concrete companies,
disposal companies, car dealers and various other fleets in the San Antonio and surrounding areas. Due
to increasing demands for Diesel Exhaust Fluid (DEF), On-Site Fuels, Inc. can now provide you with Diesel Exhaust Fluid
also referred to as (DEF).
Now that Diesel Exhaust Fluid is here, now what? Back in 2000-2001, the EPA set in place stricter emission
control standards to be in place from 2007-2010 for all on-highway vehicles. So, starting Jan. 1, 2010, all new on-road vehicles
sold must meet the emission standard of 0.2 grams of nitrogen oxide (NOx) per brake horsepower-hour.
Exhaust Fluid, also known as AUS 32, is a high purity solution of 32.5% Urea in deionized water. Diesel Exhaust Fluid (DEF)
is colorless, odorless, non-hazardous, non-flammable, and non-combustible.
Here at On-Site Fuels, Inc. you will find a bulk Diesel Exhaust Fluid distribution for San Antonio and the surrounding
area. We sell 55 gallon drums, Intermediate Bulk Containers (IBC 330 gallon), and mini bulk
( 500-1500 ) gallon with all the appropriate Micro-matic fittings. On-Site
Fuels, Inc. separates ourselves from the competition by supplying an API certified brand as a true wholesale experience.
We pride ourselves in supporting our customers with DEF fluid, dispensing equipment, bulk transfer systems, and much
Here are the answers to the most asked questions about Diesel Exhaust fluid and its future.