Affect+of+Cars

Driving a car is the most polluting act any average citizen commits. This has only grown in the past 60 years, with people being able to drive longer distances to work. Increasing the amount of pollution by automobiles. Despit attempts to make engines more fuel efficient the amount of pollution by automobiles only keeps rising. In the USA in 1987 cars averaged 25.9 miles per gallon which has dropped to 24.9 miles per gallon in 1998. With increased use of vehicles this one mile per gallon would multiply and make a significant difference. The USA is the biggest emitter of greenhouse gases worldwide. US emissions have increased to 7 billion tones of CO2 in 2004, 16 % higher than emissions in the late 90's. The UK has done better reducing their emissions to about 0.6 billion tons, 14% below 1990 levels. . Exhaust from all combustion engines combine to produce local adverse effects on the health of car users and all innocent bystanders. Cities have become islands of toxic chemicals from the unrestrained use of vehicles burning fossil fuels. They're are many solutions and steps to be taken in the future. But real question is when in the future because the damage is being made now with every trip to the grocery store.