Although there are some differences between natural gas and gasoline in terms of flammability and ignition temperatures, NGVs themselves operate on the same fundamental concepts as gasolinepowered vehicles. Still, some modifications are required to make an NGV work efficiently. These changes are ...
Compared to gasoline-powered cars, the natural-gas vehicles possess the unparalleled benefit of ___. A. reduction in carbon monoxide emissions B. reduction in emissions of oxides of nitrogen C. reduction in particulate matter 10 D. reduction in E. nvironmentally harmful emissions 相关...
Although natural gas is both cheap and very well suited to motoring uses, natural gas vehicles (NGVs) have not achieved widespread diffusion. This is particularly puzzling in Italy, as the relative price after taxes (in caloric equivalents) of natural gas is about 0.3 against gasoline and 0.4...
Natural gas vehicles are increasingly used in Europe and South America due to rising gasoline prices.───由于汽油价格上涨,欧洲和南美的天然气汽车数量正在不断增加。 To develop natural gas vehicles is one of the keys to the world environment protection.───燃气汽车规模化发展问题是我国乃至世界环境...
fuel tank, they are not as heavy as bi-fuel NGVs. The driving range of NGVs generally is less than that of comparable conventional vehicles because of thelower energy densityof natural gas. Light-duty natural gas vehicles work much like gasoline-powered vehicles with spark-ignited engines[16...
When the country made the shift from regular leaded gas to unleaded gasoline this was an issue. It took years to move the country and stations to this. I remember my Dad driving his '62 Caddy and on long road trips in the late '70's had to plan where to stop and get gas. va...
isnecessaryinorderfornaturalgaspoweredvehiclestoachievearangecompetitivewith gasolinevehicles.Therangeofgasolinevehiclesissignificantlygreateratpresent. Also,becauseofthesizeandnatureofthestoragesystemsrequiredforLNG,itsuseasa fueliscurrentlyrestrictedtoheavy-dutyapplications. ...
Natural-gas vehicles also offer these benefits: NGVs are safer. The fuel storage tanks on an NGV are thicker and stronger than gasoline or diesel tanks. There has not been an NGV fuel-tank rupture in more than two years in the United States. ...
Maintenance costs equal to or less than gasoline or diesel Cost advantages that improve with federal tax credits Cleaner and quieter vehicles Broad range of NGV models from light to heavy-duty NGVs are a perfect fit for fleet operators since the mileage they travel is often somewhat predictable ...
NGLs are used to produce liquefied petroleum gases (LPGs) such as butane and propane, as motor gasoline blending components and as raw materials for the petrochemical industry. Sign in to download full-size image Figure 2.2. Natural gas processing The composition of natural gas varies widely from...