Emissions

When the promoters of the HH2 Hydrogen Generator Clean Air Combustion System made an appearance at last year’s LA Auto Show they attracted their fair share of skepticism. Hardly surprising given their claims of boosting the horsepower, performance, and mileage of existing vehicles through the addition of an aftermarket device that mixes hydrogen and oxygen extracted from water with existing fuel. But the naysayers haven’t discouraged the system’s developers as they are fronting up to the LA Auto Show again this year with even loftier claims thanks to improvements to their system.  Read More

Commercial aircraft are a major contributor to greenhouse gas emissions, but manufacturers and operators are taking steps to tackle the problem. Operators such as Virgin Atlantic have conducted demonstration flights using biofuel, and now KLM Royal Dutch Airlines has completed its first ever passenger flight powered by sustainable kerosene. Using a 50 percent biokerosene/50 percent normal jet fuel mix to power one of its four engines, a Boeing 747 carrying 40 select passengers last week circled the Netherlands for an hour in what KLM claims is the first flight of its kind in Europe.  Read More

Following on from the successful use of its Fuel Cell Vehicles (FCVs) in demonstration fleets in Japan and California, Nissan has announced its first commercial FCV lease in North America to Sacramento Coca-Cola Bottling Co., Inc. In an advantageous brand tie-in the zero emissions X-TRAIL FCV will be used by the bottler for sales calls and public events in the Sacramento area in promotion of its Coca-Cola Zero soft drink.  Read More

After building more than 5,500 electric vehicles, Citroen is calling on its experience in the field to deliver a “triple zero” car - zero fuel consumption, zero CO2 emission at the tailpipe and zero engine noise. The C-ZERO (what else could they call it) is a full electric city car powered by a permanent magnet synchronous motor delivering 47kW or 64bhp EEC from 3,000 to 6,000rpm. Citroen says the automatic vehicle will have a top speed of 130kph (80mph), acceleration from 0-100kph (0-62mph) in 15 seconds and 60-90kph (37-56mph) in six seconds. Between charges, the vehicles is expected to achieve a range of around 130km (80 miles).  Read More

European tests have shown that a boat tail – a tapering protrusion mounted on the rear of a truck – leads to fuel savings of 7.5 percent. The fuel savings, which also means a cut in emissions, were realized by the boat tail dramatically reducing the drag caused by the lower-pressure effect that occurs in the wake of a vehicle.  Read More

The Automotive X Prize is a competition aiming to “inspire a new generation of viable, super – efficient vehicles that help break our addiction to oil and stem the effects of climate change”. With a $10 million prize pot and over 100 teams from 12 countries contributing entries, an unlikely contender has emerged in the form of West Philadelphia High School’s Hybrid X Team, which is applying its experience and knowledge to two entries including the Factory Five GT based EVX GT sports car.  Read More

Concrete is the most prevalent building material on the planet, and though the world would be pretty flat without it (not many tall buildings and structures), it does come at a price – around 5-8 percent of all human-generated atmospheric CO2 comes from the concrete industry. A culprit is Portland cement, the binding agent in concrete. It’s the most widely produced man-made material on earth. Production of Portland cement is currently exceeding 2.6 billion tons per year worldwide and growing at 5 percent annually. To halt these alarming pollution figures, innovative research on geopolymer concrete, along with ways of using a waste byproduct from coal-fired powerplants, is being conducted by Dr Erez Allouche, assistant professor of civil engineering at Louisiana Tech University and associate director of the Trenchless Technology Center.  Read More

If there’s one thing there seems to be an endless supply of, it's garbage. The idea of turning the trash that currently ends up in landfill into a fuel to combat the growing energy crisis and tackle carbon emissions isn’t new. Companies like Waste2tricity in the UK are already looking to convert waste from business and industry into clean electricity. Now scientists in Singapore and Switzerland have added credence to the idea, saying that replacing gasoline with biofuel derived from processed waste biomass could cut global emissions by 80%.  Read More

Volkswagen has recently announced a rather ambitious project that, for a change, has nothing to do with cars. Teaming up with regenerative-power company Lichtblick, it aims to install 100,000 co-generation power units in Germany as part of a concept called ‘SchwarmStrom’ which, literally translated, means ‘swarm power’. Successful application would allow Germany to abandon the use of nuclear and coal power stations and provide adequate backup to renewable energy sources, reducing carbon dioxide emissions by up to 60%.  Read More