Air-Fuel Ratio

Air-Fuel Ratio (AFR) is the ratio of air-to-fuel present in a combustion process, such as in an internal combustion engine or industrial furnace. Below is a list of three common AFR schemes:

The REMVue® patented air-fuel ratio technology has been utilized in retrofitting natural gas fueled engines. These control systems are responsible for significantly reducing the production of CO2 during combustion, and the amount of unburned natural gas fuel escaping into the atmosphere.

Utilization of these two technologies has resulted in the reduction 550,000 tonnes* of greenhouse gases being eliminated from the atmosphere as of 2014 and has generated $31.5 million per year from the engine fuel displaced. The carbon offset of these two technologies is the equivalent to taking 110,000 cars off the road each year and a combined savings of $39.5 million.**

* Results are based on verified quantifiable business results confirmed and signed off on by Spartan’s Customers.

** Based on GHG credits verified and claimed by industry under the Alberta and British Columbian GHG protocols.

The REMVue AFR® is an advanced air-fuel ratio control and monitoring system capable of performing a rich-to-lean conversion, as well as air-fuel control and optimization. With its vast range of capabilities, the REMVue AFR® consistently, and safely, delivers improvements to reliability, operating costs, and overall asset performance. 

Compliance Controls offers an advanced, cost-effective, flexible, easy-to-install and easy-to-use Air Fuel Ratio Control System for rich burn and lean burn engines. The MEC-R controls rich-burn, natural gas-fueled engines, maximizing the efficiency of a three-way catalyst by maintaining the proper air-fuel ratio over varying engine loads, speeds, fuel quality, ambient temperatures and barometric pressures.

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