Fuel efficiency

How Is Global Warming Affecting the Polar Bears? As changes in climatic temperatures melt sea ice, the US Geological Survey predicted that two-thirds of the polar bear population will die out by the year 2050. A dramatic decline in polar bears is already occurring in our lifetime, which, according to historical data, is but a very small fraction of the time these animals have roamed the vast seas of the Arctic. The main threat to the polar bears is the loss of their sea-ice habitat that is…

Global warming is an increase in the Earth's average temperature due to emissions of pollutants and accumulation of greenhouse gases which could completely change climate zone patterns. This then affects Climate change. Climate change is a change in the Earth’s climate patterns and could negatively or positively affect regions such as Africa. This will result in increased or decreased rainfall, winds, snow, and other weather occurrences. This essay discusses the effects of climate change on…

technology and society, there are innumerable amounts of ways to fuel and support a population efficiently. Some of these innumerable ways include fossil fuels and renewable energy. Fossil fuels are defined as a natural fuel, such as coal or gas, formed in the geological past from the remains of living organisms. Renewable energy is defined as energy from a source that is not depleted when used, such as wind or solar power. Fossil fuels and renewable energy both provide energy in the form of…

Introduction For the past three years—due to the global surplus of crude oil production resulting in lower crude prices—oil & gas industry has become a dynamic marketplace and the constant drive for survival and excellence has put the companies on toes to modify their strategies for the next round of competition. Consequently, cost optimization is the near-term strategy in the whole oil & gas industry, and Qatar Petroleum (QP) is no exception. As part of cost optimization, QP examined all the…

1. INTRODUCTION Graphene is the most required engineering material in the twenty first century, largely due to its exceptional mechanical, thermal and electrical properties. For Example monolayer of graphene sheet has Young’s modulus of about 1 TPa [Ref], shear modulus of 280 GPa [Ref], fracture strength of 130 GPa [Ref], thermal conductivity of 5000 W/mK [Ref], longitudinal sound velocity of 20Km/s [Ref], melting temperature of 4900 K [Ref] and also it has high electron mobility of 250,000…

In the era that we live in today, mankind has become dependent on fossil fuel just as much as water and oxygen. We continue to depend on fossil fuel for every aspect of our daily lives while at the same time fighting against mother nature. As we continue this ignorant battle against nature who knows what the future will look like. Will we still have fossil fuel? Will we still have water? In Octavia Butlers, “Parable of the Sower”, she creates a world full of chaos and catastrophe yet a world…

everyday necessities. Although there are good advantages to using nuclear energy, there are also many negative effects of using these power plants as well , enough to persuade myself and many others to accept the pollution caused by burning fossil fuels and how rapidly we are…

due to the fact that coal, which is used to fuel the furnaces, and iron, which is made into steel using a variety of methods, were found in abundance in that area. Pittsburg, P.A. became one of the centers of the steel world. New Jersey ironmaster Abram S. Hewitt introduced a process of making steel supplanted…

would someone spend one hundred and eleven million dollars on the recycling industry one may ask, the answer is simple... economy benefits. Recycling can lower capital cost, make us use 80 to 90 percent less energy, lower our consumption of fossil fuels and could produce more products that benefit our overall economy. As for a negative aspect, recycling has none. According to the article, the recycling industry may have "a dirty little secret" ,"little" being just an understatement. Apparently…

Many climate scientists believe that human beings are the cause of climate change 1. Impacts of climate change are involved in natural environment, human health, etc 3. Examples of impacts of climate change are higher temperature, increase in sea level, wildlife at risk, more drought and floods, bushfires, decrease in economy, higher chances of getting heart diseases, etc. Collin Kelley who is a climatologist stated that conflicts occur is not only because of climate change but it is also due to…