They have in no way keep pace with the equipment changes we have seen in just the last 5 years. Add to this the price wars that continue to go on, the trading of fuels and the use of the pipeline, you soon realize that quality is not the issue. You do however have some control. Unfortunately there are no laws governing the amount of detergent you must have in order to claim that you have one. You can legally pour one drop of detergent into a tanker load of fuel treatment and still tell your customers that your additive has a detergent.
T hat applies to all the chemicals used in an additive such as a stabilizer or deicer etc.
Alcohols or Solvents may clean some very aggressively but that does not make a product a good product just because it cleans well. Some very corrosive solvents clean very quickly but can cause damage to your fuel system. Many solvents used are simply paint thinner. These are a one shot quick fix that is added every 3000 or so miles. While some of these may clean, the timing of using these additives is usually all wrong.