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What does UBHC stand for?

UBHC stands for Unburned Hydrocarbons

This definition appears somewhat frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 3 other meanings of UBHC in our Acronym Attic

Samples in periodicals archive:

The use of biodiesel in conventional diesel engines results in substantial reduction of unburned hydrocarbons, carbon monoxide, and particulate matter compared to emissions from petroleum-based diesel fuel.
According to EnviroFuels, verification tests of the company's DFC conducted with a locomotive revealed improvements in fuel consumption of five to 10 percent, with "significant" reductions in total unburned hydrocarbons (THC) nitrogen oxides (NOx), carbon dioxide (CO2) and carbon monoxide (CO) emissions.
Environmental Protection Agency analyzed the emissions of a 20% biodiesel/ 80% petroleum diesel blend and found reduced emissions of particulate matter (-12%), unburned hydrocarbons (-20%), and carbon monoxide (-12%).
Introducing only 20 percent biodiesel into the problem diesel supply we use in our conventional diesel engines will result in a substantial reduction of unburned hydrocarbons, carbon monoxide and particulate matter compared to emissions from regular diesel fuel.