Sentences with phrase «improve emission modelling»

Not exact matches

This CSWA project will field test, evaluate and implement a climate protection incentive system incorporating the DeNitrification DeComposition (DNDC) model and practices that improve air quality, reduce emissions, improve carbon sequestration potential, and promote other environmental benefits.

Since 2001, greatly improved computer models and an abundance of data of many kinds strengthened the conclusion that human emissions are very likely to cause serious climate change.

«Engine developers can use this information to validate computer models and design advanced engine combustion strategies that will improve fuel economy for consumers while also lowering tailpipe pollutant emissions.»

By adopting a new fitting method based on the total brightness, we have succeeded in reducing the residual levels after subtraction of the zodiacal emission from the AKARI data and thus in improving the modeling of the zodiacal emission.

CO2 emissions are said to be improved by 10 per cent across the range, through a combination of these new drivetrains and weight reductions of up to 88 kg model for model.

As is de rigueur with new models, emissions and fuel consumption have both improved, though Suzuki has yet to announce specific figures.

Three factors have improved as a result: Emissions, economy and in some models, performance.

Bentley says that the new 4.0 liter engine is 40 percent more efficient in fuel efficiency and CO2 emissions than the outgoing model and that the range has improved to over 500 miles on a single tank of fuel.

Now in its third model year, the 2011 Cube receives revised content, a new exterior hue, and improved emissions certification.

Economy of 30mpg and emissions of 214g / km are improved over the previous model thanks to cylinder deactivation tech.

* Horsepower and torque expected to top previous model (testing is ongoing — check media.gm.com for updates) * NOx emissions reduced at least 63 percent over 2010 models * Quieter operation * High - pressure (30,000 psi / 2, 000 bar) Piezo - actuated fuel system for greater fuel efficiency, improved performance and reduced emissions * Exhaust brake system that enables controlled vehicle slowdown on downhill grades without actuating the brakes * Selective catalytic reduction after - treatment system using diesel exhaust fluid (DEF) injection to provide the best overall diesel characteristics and performance — with a range of about 5,000 miles (8,000 km) between DEF refills * Combustion and after - treatment have been optimized to provide about 700 miles (1,125 km) between diesel particulate filter regenerations — a 75 - percent improvement over the previous system and significant contributor to improved fuel efficiency, as the regeneration process requires additional fuel * B20 biodiesel capability for an alternative fueling option * Internal revisions that improve durability

To help cut CO2 emissions and improve fuel economy, all GTC models apart from the most powerful petrol variant come with a stop / start system.

Next Green Car has partnered with Emissions Analytics to improve the NGC Emissions Calculator through the use of model specific Real Driving Emissions (RDE) data for NOx, CO2 and MPG.

Thanks to the improved aerodynamic performance and lighter weight of this next generation model the Auris Hybrid's remarkably low, highly tax - efficient CO2 emissions have improved to below 89 g / km (with 15» wheels).

Toyota says the diesel model's fuel economy improves by nearly eight per cent, now 9.5 L / 100 km, with CO2 emissions now listed at 250g / km.

October 21, 2010, Auburn Hills, Mich. — Improved fuel efficiency, more power and reduced emissions, all hallmarks of the new Pentastar V - 6 engine, will soon be available across 13 models from Chrysler Group LLC.

November 16, 2011, Honda will debut the 2012 Honda CR - V with its all - new exterior and interior styling, improved fuel economy and a list of added technological features.Additionally, the fully electric, zero emissions 2013 Fit EV production model will be taking the -LSB-...]

But improved direct injection and continuously variable valve timing offer 1 more mpg in most models, lower emissions, and according to Nissan noticeably improved responsiveness.

The new model comes with reduced CO2 emissions from 230 g / km to 213 g / km, whereas the fuel economy now stands at an improved 15 km / l.

The current powertrain options are expected to be carried over on the second generation model with updated tuning to improve performance and emission levels.

This prototype is all about showcasing advanced lightweight materials that lets future Ford models improve their performance and fuel efficiency, while also dropping the carbon - dioxide emissions.

Tougher global emissions standards have several luxury automakers searching for ways to improve the fuel efficiency of their models that right now are not considered «eco-friendly.»

These models now boast 15 kW (20 hp, 911 Turbo: Combined fuel consumption 9.1 l / 100 km, CO2 emissions 212 g / km, 911 Turbo Cabriolet: Combined fuel consumption 9.3 l / 100 km, CO2emissions 216 g / km) more power, a sharpened design and improved features.

All Rolls - Royce models with the exception of the «New» R - R Silver Dawn (the «New» R - R Silver Spirit was no longer listed) were to be powered by turbocharged engines with increased power as well as improved emission.

Thanks to TwinPower Turbo technology, the new supercharged 4 - cylinder petrol engine with all - aluminium crankcase, already available in the BMW X1 xDrive28i, provides increased torque, improved performance and much reduced fuel consumption and emission levels as compared to the existing 6 - cylinder induction engine model BMW Z4 sDrive30.

Paris, and many other French cities, have evolved along this model, and it improves the quality of urban food in addition to helping to keep down the carbon emissions from food transportation.

The committee's model calculations, while exploratory and highly uncertain, indicate that the benefits of making the transition, i.e. energy cost savings, improved vehicle technologies, and reductions in petroleum use and greenhouse gas emissions, exceed the additional costs of the transition over and above what the market is willing to do voluntarily.»

In the sections that follow, we highlight some significant research needs that will improve our ability to model and potentially manage reservoir GHG emissions.

Consequently, the most advanced climate models now require, in addition to concentrations or emissions of greenhouse gases (CO2, CH4, N2O and halocarbons), emissions of reactive gases and aerosol precursor compounds (SO2, NOx, VOC, BC, OC and NH3), to model atmospheric chemistry and interactions with the climate system.6 For most variables, a sectoral differentiation would improve the quality of the calculations (e.g. from power plants and agricultural burning).

The four key differences are: 1) unlike the Energy Policy Conservation Act (EPCA), the CAA [Clean Air Act] allows for the crediting of direct emission reductions and indirect fuel economy benefits from improved air conditioners, allowing for greater compliance flexibility and lower costs; 2) EPCA allows Flexible Fuel Vehicle (FFV) credits through model year 2019, whereas the EPA standard requires demonstration of actual use of a low carbon fuel after model year 2015; 3) EPCA allows for the payment of fines in lieu of compliance but the CAA does not; and 4) treatment of intra firm trading of compliance credits between cars and light trucks categories.50

Manabe and Stouffer (1993) pioneered the demonstration of a transition under future warming; an improved model showed a shutdown was especially likely with rapid increase of greenhouse gas emissions, Stocker and Schnitter (1997); see also Broecker (1997); Wood et al. (1999); summary: Rahmstorf (1999); Ganopolski and Rahmstorf (2001) for instability during a glacial period; IPCC (2001a), pp. 439 - 40.

The climate feedbacks involved with these changes, which are key in understanding the climate system as a whole, include: + the importance of aerosol absorption on climate + the impact of aerosol deposition which affects biology and, hence, emissions of aerosols and aerosol precursors via organic nitrogen, organic phosphorus and iron fertilization + the importance of land use and land use changes on natural and anthropogenic aerosol sources + the SOA sources and impact on climate, with special attention on the impact human activities have on natural SOA formation In order to quantitatively answer such questions I perform simulations of the past, present and future atmospheres, and make comparisons with measurements and remote sensing data, all of which help understand, evaluate and improve the model's parameterizations and performance, and our understanding of the Earth system.