Biofuel - today essays

Biofuel - today essays In todays world day in and day out we see fleets of cars, buses, two-wheelers and trucks on our streets. Poisonous fumes damaging our lungs, noise pollution deafening our ears and harried commuters fed up with their lot. Is this what mankind has come to? Imagine the situation in a few years when the existing sources of fuel are almost exhausted! Shortage of petrol, shortage of cooking gas and scarcity of fuel in industries. Prices of all types of fuel will shoot up making life all the more expensive. Utter chaos! That is what the scenario will be especially in the major cities of the world. Isnt it time we looked out for alternative sources! Energy is the key for food, housing, production and transportation. There is nothing more important for a developing country like India than a good energy plan. Therefore biofuel is todays extreme need. Well, what is this biofuel? In contrast to fuel based on products derived from the petrochemical industry, biofuel is based on raw material derived from living organisms and therefore can be classified as a renewable resource. Biofuel can be of microbial or of plant origin. Of the microbial biofuel products, three basic types are fuel alcohol, biogas which is also known as methane and hydrogen. At present there are 2 main markets for fuel alcohol, Brazil (Proalcohol) and U.S.A. (Gasohol) used either blended with petroleum or as 95% Ethanol) water mixture in purpose-built engines. Biogas is the term used for anaerobic methane production, a biochemical reaction in which CO2 is the ultimate electron acceptor producing either CO or CH4. Since both of these products are volatile they are relatively easy to obtain in pure form. Biological hydrogen production is done mostly during nitrogen fixation. Biofuel has millions of uses as well. One of the first benefits Rudolph Diesel a german engineer said, The use of vegetable oils for engine fuels may s ...

Dual Enrollment in High School and College

Dual Enrollment in High School and College The term dual enrolled simply refers to enrolling in two programs at once. This term is often used to describe programs designed for high school students. In these programs, students can begin working on a college degree while still enrolled in high school. Dual enrollment programs can vary from state to state. The names may include titles such as dual credit, concurrent enrollment, and joint enrollment.   In most cases, high school students in good academic standing have the opportunity to take college courses at a local college, technical college, or university. Students work with their high school guidance counselors to determine eligibility and decide which courses are right for them. Typically, students must meet eligibility requirements to enroll in a college program, and those requirements may include SAT or ACT scores. Specific requirements will vary, just as entry requirements vary among universities and technical colleges. There are advantages and disadvantages to enrolling in a program like this. Advantages to Dual Enrollment You can get a jump start on your college plans. By earning college credit while still in high school, you may be able to reduce the time and money youll spend in college.In many cases, a portion of the dual college/high school course tuition is paid for by the state or the local school board.The dual enrollment courses are sometimes offered right in your high school. This enables students to become familiar with the workload of a college course in the comfort of a familiar setting.Some colleges offer dual enrollment via the Internet. Disadvantages to Dual Enrollment It is important to look into the hidden costs and risks you may face once youve entered a dual enrollment program. Here are a few reasons why you should proceed with caution: Students may receive a textbook allowance, but others may have to pay for any textbooks. The cost of college books can be daunting. For instance, a college-level science book can cost more than one hundred dollars. You may want to research the cost of textbooks before you sign up for a specific course.If college courses are offered only on the actual college campus, the student will be responsible for travel to and from the campus. Consider the cost of transportation. You have to factor travel time into your time management considerations. Your tests can be more challenging, and you may suddenly have less time to study for them!College courses are rigorous, and students can get in over their heads sometimes. College professors expect increased maturity and responsibility from their students. Be prepared! By signing up for college courses before you’re ready, you may end up with poor grades- and those will stay on your college record forever.  Bad grades can wreck your colleg e plans. After you sign up for a college course and you start to feel like youre slipping behind, there are only two ways out: withdraw from the course or finish the course with a grade. Remember that your ultimate dream college will see both of these when you apply. Failing grades can make you ineligible for your dream college. Withdrawing from a course could make you ineligible to graduate from high school on time! Many college scholarships are designed for freshmen. If you take too many college courses while youre in high school, you could make yourself ineligible for some scholarships.Whenever you sign up for college credit courses, you are officially beginning your college career. That means you will establish an official record wherever you take courses, and you will have to provide college transcripts of those courses whenever you enter a new college- for the rest of your life. Whenever you change colleges, you will need to provide transcripts to a new college. If youre interested in a program like this, you should meet with your high school guidance counselor to discuss your career goals.