Increasing urban populations due to factors such as more comfortable life and immigration
have turned self-sufficient traditional cities into mega-cities and caused several new …

Pollutant emissions need to be accurately estimated to ensure that air quality plans are
designed and implemented appropriately. Emission factors (EFs) are empirical functional …

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 vehicles (NGVs), as alternatives to gasoline and diesel vehicles, have been
rapidly and widely promoted in the past 20 years. The three-way catalyst (TWC) technology …

We report simultaneous measurements of fuel consumption, driving patterns, and CO 2, CO,
and NOx emission factors for diesel passenger buses under real operating conditions in …

The urbanization in Delhi NCR has led to a rapid increase in the vehicle count concerning
the rise in population and mobilization. The emissions from the vehicles are currently …

This paper presents the on-road nitrogen oxides (NO x) emissions measurements from Euro
6 light-duty diesel vehicles using a portable emissions measurement system on the …

Vehicle emissions are affected by factors such as vehicle type, fuel quality, and engine
repair. Therefore, mobile source profiles should be established based on a characteristic …

Air pollution problems persist in many cities throughout the world, despite drastic reductions
in regulated emissions of criteria pollutants from vehicles when tested on standardised …

Due to the rising trend of urbanization along with overconsumption of non-recyclable
resources, the volume of municipal solid waste is increasing every day. An efficient, cost …