What is the difference between #1 Diesel and K1 Kerosene?
This response from From Marketing Fuel Tech Service may help explain some of the differences: K1 kerosene is a low-sulfur kerosene that is made for use in space heaters, lamps, etc. – and not for use in vehicles or generators. It is also not taxed so would be illegal to use in “on-road” vehicles. Lower lubricity is likely as the viscosity decreases. While this may not cause catastrophic instant damage, it could cause long-term wear of pumps, etc. Four semi-annual surveys for years 1990-1992 showed national averages as such for viscosity (represented in milliPascal-seconds (mPa .
