Increasing urbanization and industrialization have led to a phenomenal growth in
transportation demand worldwide, coupled with a concentration of vehicles in metropolitan …

Among all alternative fuels, compressed natural gas (CNG) has been considered as one the
best solutions for fossil fuel substitution because of its availability throughout the world …

Natural gas is promising alternative fuel to meet strict engine emission regulations in many
countries. Compressed natural gas (CNG) has long been used in stationary engines, but the …

Natural gas vehicles offer the benefits of reducing oil use, CO 2 emissions and air pollutants.
Promoting the use of natural gas vehicles is considered as one of the most important …

Energy sustainability and environmental issues pose greater challenges on different primary
energy sectors as the global energy demand increases and it is projected to further increase …

As global energy demand rises, natural gas (NG) plays a pivotal role in energy supply.
Natural gas is the cleanest fossil fuel and it has high energy conversion efficiencies for …

Natural gas, referred to as green fuel, has emerged as a solution to depleting crude oil
resources as well as to the deteriorating urban air quality problem. As a gaseous fuel, gains …

Approximately one-quarter of the total greenhouse gases (GHG) emissions in Europe can
be attributed to the transport sector, with petroleum-derived fuels dominating road transport …

This paper presents an experimental study of the performance and emission characteristics
of a port fuel injection spark ignition engine modified to fuel by compressed natural gas …

In Europe natural gas vehicles play a minor role. A decisive reason for this is the
dependence of most European countries from gas imports. Except for Italy, there is no …