this research aims to apply a model to the study and analysis of environmental and natural resource costs created in supply chains of goods and services produced in thailand, and propose indicators for environmental problem management, caused by goods and services production, based on concepts of sustainable production and consumer behavior. the research showed that the highest environmental co...

The low-cost and abundant supply of shale gas in the United States has increased the interest in using natural gas for transportation. We compare the life cycle greenhouse gas (GHG) emissions from different natural gas pathways for medium and heavy-duty vehicles (MHDVs). For Class 8 tractor-trailers and refuse trucks, none of the natural gas pathways provide emissions reductions per unit of fre...

This paper addresses the impacts of environmental legislation and vehicle emissions on the future of alternative fuels sucl~ as methanol, compressed natural gas, propane, electricity, hydrogen, and reformulated gasoline in the transportation industry, and it discusses the advantages and disadvantages of each type of fuel in terms of fuel efficiency, fuel cost, environmental impacts, and vehicle...