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New hydrogen additive technology slashes engine emissions

23 August 2017

British manufacturer CGON released a new range of hydrogen additive products that can reduce engine emissions by up to 80% and offer fuel savings of up to 20%.

CGON ezero1 the flagship of the range of hyrdrogen additive systems (Credit: CGON)

Developed over the last eight years at its research and development facility in the UK and tested extensively on the road, CGON’s independently verified technology significantly reduces emissions such as CO2, HC, NOx, PM and PN.

Designed, produced and manufactured in the UK, the 100 percent recyclable ezero hydrogen additive box is fitted within the engine bay and can be used on any fossil fuel engine, from petrol to diesel to LPG.

The system works by introducing small amounts of very pure, very powerful hydrogen directly into the inlet chamber where it combines with the fuel-air mixture. The resulting hydrogen-fuel-air mix – which has a cooler burn that’s faster than a conventional mix – creates a more complete combustion cycle.

The result is that almost all waste gases are eliminated, drastically reducing harmful emissions. And because CGON’s technology increases engine efficiency, less fuel is used, with real-world drivers reporting savings of up to 20 percent. In addition, in a diesel engine, the much cleaner emissions also put less stress on the particulate filter resulting in reduced maintenance and time off the road.

CGON’s technology uses the correct chemistry to efficiently create hydrogen by electrolysis. Its breakthrough came by selecting the correct materials for the cathode and the anode: a specific type of titanium with a special coating. Combined with CGON’s electrolyte solution, this generates enough hydrogen at an extremely low current with no hazardous bi-products. And not just any hydrogen, but more powerful ortho hydrogen (which burns quicker and promotes more complete combustion). The initial idea for the technology came from founder Brian Sheard, a Royal Navy Engineer on nuclear submarines (https://www.cgon.co.uk/OurStory). 

CGON’s ezero products don’t store any hydrogen on-board at all but create small amounts on-demand. The ezero box is topped up every 6,000 miles with CGON’s patented electrolyte solution (a 250ml pouch of electrolyte costs £5). CGON produces three different variants of the ezero range, from the ezero1 aimed at smaller engines used in passenger cars and vans, with the ezeroH1 targeted at larger vehicles such as small coaches and light goods vehicles in the 7.5 tonne range, all the way up to the ezeroH2 model for the HGV and bus market.

The company’s flagship consumer product, the ezero1 has been independently tested on the road by an expert in the use of Portable Emissions Measurements Systems (PEMS), Emissions Analytics. For the urban drive cycle, independent PEMS testing has shown reductions of 91.3 percent in PN (Particulate Number, or soot) plus a 47.9 percent reduction in NOx and a 50.6 percent reduction in NO2. The ezero1 can be fitted to any internal combustion car in approximately one hour. The box costs £459 including VAT and fitting. The CGON cells have a 12-month guarantee.

Simon Johnson, CEO of CGON said: “Air quality, especially in cities, is one of the great challenges of our time. You can’t open a newspaper without reading about vehicle emissions in urban centres around the world.

Over 100,000 cars fail their MoT each month on emissions alone in the UK. CGON’s ezero technology tackles this problem head-on by reducing particulates and NOx. We have completed testing of hundreds of vehicles at certified MoT stations and recorded an average 80 percent reduction in overall emissions, while also giving the consumer the added benefit of improved fuel efficiency. Independent testing by Emissions Analytics verifies our own testing, showing a huge reduction in emissions.

“Our patented technology generates hydrogen at an extremely low current with no hazardous bi-products. We have completed millions of miles of testing and the result is a credible and independently verified, low-maintenance product that could literally change the air we breathe, improve air quality on a global scale and save thousands of lives every year.

“We often hear that our product is too good to be true! And people constantly ask why it’s not already fitted to every car as standard. We believe one day it will be, but getting products incorporated on a new car takes years. We’ve had our system independently tested and verified in real world conditions, and the results speak for themselves.”

Video courtesy of CGON


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