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Low Flashpoint Liquid (LFL) fuel refers to fuel with a flashpoint lower than that of regular diesel fuel, which has a flash point of 65 degrees Celsius. The flash point of a flammable liquid is the lowest temperature at which there will be enough flammable vapor to ignite when an ignition source is applied . Generally speaking, LFLs include (but not limited) to families of chemicals including: alcohol (methanol, ethanol etc.), acetyl

(for example acetaldehyde, ketone (for example acetone etc.), ether family (dimethyl ether, diethyl ether etc.), gasoline, aromatics (for example benzene, toluene, xylene etc.), alkane (for example methane, butane, pentane, hexane, propane, heptane, octane, etc.), acetylene and butadiene. Amongst LFLs, alcohol (methanol, ethanol, propanol, and butanol) fuels have actually been used throughout history so they really aren’t a novelty. ALcohol-based fuels (dimethyl ether, diethyl ether) have been gaining rapid interest in the last decades given they contribute to a more environmentally sustainable shipping industry, through lower emissions levels and the potential for fuel production from renew-able feedstocks and energy source. Alcohol and alcohol-based fuels are extremely suitable as fuels given their high octane numbers i.e. high knock resistance. Air inlet temperatures reach around 400 degree Celsius, higher than in the case of diesel as methanol fuel blend converts to vapor. Effective piston pressure spikes, coupled with the blend’s self combustibility (high octane number) allows complete buring of fuel i.e. improved fuel economy.  However, use of LFLs in bulk quantities, particularly in harsh environments such as heated engine rooms, requires greater safety measures. The additional safety measures are nonetheless outweighed by the advantages. In addition to improved fuel economy, the costs of deriving, transporting and storing methanol is way more straight forward than other green alternatives. While they do require additional safety precautions, Billion Miles offers a simple one-time solution that will fit any required retrofit for any engine/vessel/fleet.





Conversion Method

Octane number (RON)

Cetane number
MFB Re-forming of natural gas 97 – 99 35
Gasoline Refined from crude oil 90 – 95 N.A.
Diesel Refined from crude oil N.A. 48-50
LNG No conversion required 120 N.A.
Methanol Re-forming of natural gas 110 5
DME Synthesis from methanol N.A. 55-60

 Billion Miles methanol fuel blend achieves both high RON and cetane number