Global warming

Background on CO2

Concern about the environmental effects of Greenhouse Gases and in particular CO2 continue to mount. Several initiatives have now started at national and international level to determine the likely technology roadmaps and political agenda to meet the targeted reductions in CO2.
The issue of Global Warming is a debatable subject and covers many different climatic mechanisms from deforestation to oceanography. The facts about CO2 are that atmospheric concentrations were approximately 275 ppm at the end of the eighteenth century and today are close to 388 ppm and rising; scientific evidence and climatic modeling suggest a theoretical safe limit of 350 ppm. Various forecasts exist which suggest that the atmospheric loading could reach 600 ppm by 2050 if current trends continue.
Source data from

CO2 impact on the transport sector

The transport sector is responsible for approximately 25% of these emissions and 40% from industrial plants and power stations (principally coal fired). Why should this interest you or Mechadyne? The Transport sector will be forced to limit CO2 emissions. Technically this can be addressed in many ways; but fundamentally the machine, engine, transmission and operation must all become more efficient or there must be a change in technology away from current fuels into areas such as hydrogen and non-combustion generated electricity.
This is a technically challenging time and will require innovations in combustion technology, drivelines, fuels (and fuel management), intelligent operational algorithms etc. Coupling the engine control with the operation of the vehicle can make significant improvements in CO2 emissions, which in turn requires cost effective air management and combustion control. Published data to this effect can be found in the USA through The National Research Council, EPA and NITSA referencing Fuel Consumption Reduction for Medium Duty and Heavy Duty Engines.
In order to manage combustion events the prime requirement is air and exhaust management along with modern ultra high pressure direct injection fuel systems. Air management, alongside turbocharging or supercharging, is achieved with variable valve actuation and phasing. So, if you are looking to the future call us to discuss the options available.