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Based on our analysis it is well established that diesel cars cost you less in the long run. Be it in Chennai where a litre of petrol will cost you 60 bucks or be it Mumbai where it is 65 bucks, diesel cars are the way to go. But if you are looking to get a car for 3-4 years then petrol is the ideal choice. Let us take a look at the other aspects of diesel and petrol like its chemical composition, emission values, the performance of petrol variant against diesel variant and so on. Chemical Composition It is a well-known fact that diesel cars are more powerful and fuel efficient compared to petrol cars. But what is the reason behind this? Let’s find out. Both petrol and diesel are derived from crude oil by a process called distillation. The hydrocarbon and carbon atom chains are removed in this process. Distillation takes place in a refinery. The gradual increase of temperature vaporises the unwanted atoms and the product left is petrol. Petrol and diesel are hydrocarbons too. While petrol is comprised of 9 carbon atoms diesel is composed of 14 carbon atom chains. Petrol has traces of nitrogen and is more refined than diesel. The 14 carbon chain composition of diesel makes diesel more powerful and fuel efficient than petrol. The energy per unit volume is more for diesel than petrol. This gives a better mileage in diesel variant cars. Since diesel is composed of the longer carbon chain, there is more content of other atoms like sulfur and nitrogen in it. Petrol, on the other hand, is more uniform. Pollutants Comparison Both petrol and diesel, when burnt, produce pollution. Since petrol has less quantity of nitrogen and more of carbon, the byproduct of the combustion process is carbon mono oxide and NOx. The CO further reacts with O2 and gives carbon dioxide. This is what comes out of the exhaust tube in the cars. Carbon dioxide is a greenhouse gas and has a pernicious effect on the environment. Diesel, on the other hand, produces a high amount of NOX and particulate matter rich in sulfur compounds. This causes major health risks. Diesel emits 15{ed162fdde9fdc472551df9f31f04601345edf7e4eff6ea93114402690d8fa616} less carbon dioxide than petrol. But at the same time, it also produces four times more nitrogen-based pollutants and 22 times more sulfur particulate. These particulates are very harmful to the human heart, lungs, and the brain. Climate Friendly? As long as you burn fuel, there will be harmful emissions which will affect our health and cause problems for the environment as well. Since the major pollutant from petrol cars is CO2, petrol cars contribute majorly to global warming. The main pollutant from diesel car is nitrogen and sulfur based compounds. Both these pollutants adversely affect humans. It causes respiratory problems. The sulfate compounds like sulfur dioxide cause acid rain which ruins the quality of buildings. The reason why Taj Mahal has a yellowish plague is acid rain. Technological Advancements In India, Europe, America, and Japan Over the years many countries across Europe and even India have invested a considerable amount of money in R&D on how to reduce the pollution levels caused by diesel cars. The amount of pollution caused by diesel vehicles 10 or 15 years ago was way more than the present numbers. While European diesel vehicles produce 10ppm, Indian diesel vehicles emit as much as 50ppm. Of course, the European standards are higher than India. Certainly, it is more difficult to control the pollution emissions from diesel variants than petrol variants. But one can debate that diesel does not cause global warming which is the hot environmental concern in our times. Japan, on the other hand, has a different viewpoint on it. While Europe is making technological advancements in a diesel engine, Japan is developing highly efficient petrol engine. They have been able to reduce the pollution emission from petrol variants effectively. The urban air pollution problem is greatly cut down with such innovations. After the signing of Kyoto Protocol in 1997 most well off countries were obliged to reduce their carbon dioxide emissions by an average of 8{ed162fdde9fdc472551df9f31f04601345edf7e4eff6ea93114402690d8fa616} over the span of 15 years. This was when America and Japan started researching into hybrid and electric cars. At this time European market had a different perspective. The dominant car- makers in Germany like Volkswagen, BMW, and Daimler encouraged the consumption of diesel. According to these guys using diesel variant cars was a better and more effective way of reducing the carbon emission levels in the environment. Britan, Germany, France, and Italy cajoled the car makers and the people to buy diesel. Production of variant diesel engines shot up in Europe especially after the 1998 EC Acea agreement with all European car makers. And they decided to slash carbon emissions by as much as 25{ed162fdde9fdc472551df9f31f04601345edf7e4eff6ea93114402690d8fa616} over the course of 10 years. Diesel rose to be the primary choice in the late 90s. The market share of diesel in the UK made a jump from under 10{ed162fdde9fdc472551df9f31f04601345edf7e4eff6ea93114402690d8fa616} in 1995 to over 50{ed162fdde9fdc472551df9f31f04601345edf7e4eff6ea93114402690d8fa616} in 2012. Today Britain has the largest number of diesel based cars in the world. Interesting Fact About Diesel And Petrol Did you know that the petrol car takes 10km to warm up on a chilly day, whereas the diesel car takes only 5 km to warm up on a cold day? This means that diesel variants produce less emission on a cold start than petrol. More reasons for why you should go for diesel based cars than petrol based. Conclusion It’s quite clear that diesel has proved to be a better fuel than petrol. It effectively improves the urban air quality. The lower carbon emission from diesel means reduced global warming and subsequently, reduced climate change as well. In India, diesel is way cheaper than petrol, and in a span of 10 years you would have saved as much as Rs. 1,30,000 ( this is just a rough figure, the actual figure will depend on the kilometres run by the car). Check out our previous post to find out how much money you would save if you get yourself a diesel car. LSI Keywords: Petrol vs. Diesel, Petrol engine, Diesel engine, European cars, Japanese car, petrol emission rates, diesel emission, environmental hazards of petrol. Reference Links:
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पेट्रोल वा डिजेल बहसले दशकौंदेखि चालकहरूलाई उत्साहित र भ्रमित पारेको छ - र बढ्दो वायु गुणस्तर चिन्ताहरूले थोरै मद्दत गरेको छ। यद्यपि, डिजेल मर्नबाट टाढा छ र केही अवस्थाहरूमा अझै पनि केही ड्राइभरहरूको लागि व्यावहारिक कारकहरूको संख्यामा निर्भर गर्दछ - व्यक्तिगत प्राथमिकता मात्र होइन। हाम्रो गहन गाइड दुबै इन्जिनको कार्यसम्पादन र ड्राइभिङ शैलीको जाँच गर्दछ, साथै तिनीहरूसँग सम्बन्धित धेरै लागत र वातावरणीय कारकहरू तपाईंलाई सही छनौट गर्न मद्दत गर्न। यी हुन् डिजेल कार भन्दा पेट्रोल रोज्नु पर्ने कारणहरु यस लेखमा - 1. पेट्रोल कार सस्तो छ - 2. पेट्रोल र डिजेलको मूल्यमा लगभग कुनै भिन्नता छैन - 3. पेट्रोल सजिलै CNG मा रूपान्तरण गर्न सकिन्छ - 4. पेट्रोल इन्जिन मर्मत गर्न सस्तो छ - 5. डिजेल इन्जिनहरू वातावरणको लागि हानिकारक छन् - 6. डिजेल इन्जिनहरू शोरमा छन् - 7. पेट्रोल इन्जिन अधिक शक्तिशाली छन् - 8. पेट्रोल इन्जिन अधिक उत्तरदायी छन् - निष्कर्ष 1. पेट्रोल कार सस्तो छ डिजेल भन्दा पेट्रोल कार किन्न सस्तो छ। नयाँ डिजेल कारको मूल्य एक टन छ जसमा कर लगाइएको छ। तिनीहरूसँग पेट्रोल कारको तुलनामा प्रति वर्ष खराब अवमूल्यन पनि छ। मूल्यह्रास भन्नाले कारको मूल्य घट्ने दर हो यदि तपाईंले यसलाई प्रयोग गरिएको कारको रूपमा बेच्नुभयो भने। साथै, यो पनि नबिर्सनुहोस् कि पेट्रोल कारहरू डिजेल कारहरूको तुलनामा सर्भिस गर्न सस्तो छन्। 2. पेट्रोल र डिजेलको मूल्यमा लगभग कुनै भिन्नता छैन पहिले जनताले महँगो डिजेलको गाडी किन्ने गर्दथे र पेट्रोल र डिजेलको मूल्यमा फरक देखिएपछि एक वर्षमा खर्च भएको सबै पैसा फिर्ता गरी पेट्रोल मालिकले भन्दा कम खर्च गर्ने गर्दथे । तर अब यो परिवर्तन भएको छ। सबैभन्दा पहिले, हामीले पहिले नै डिजेल कारहरूमा बढेको करको कारणले कभर गरिसकेका छौं तिनीहरू पेट्रोल कारको तुलनामा साँच्चै महँगो छन् र अझ धेरै इन्धन मूल्यहरू लगभग समान छन्। 3. पेट्रोल सजिलै CNG मा रूपान्तरण गर्न सकिन्छ यदि तपाइँ आफ्नो पेट्रोल कारलाई CNG मा रूपान्तरण गर्ने निर्णय गर्नुहुन्छ भने तपाइँ भाग्यमा हुनुहुन्छ किनभने यसले त्यसो गर्न आवश्यक धेरै परिमार्जनहरू लिने छैन। तर, डिजेल इन्जिनलाई CNG मा रूपान्तरण गर्न इन्जिनमा धेरै परिमार्जन गर्न आवश्यक छ र पेट्रोल इन्जिनको तुलनामा धेरै महँगो छ। 4. पेट्रोल इन्जिन मर्मत गर्न सस्तो छ मेसिनहरू अपरिहार्य रूपमा असफल हुने छन् र जब तिनीहरूले डिजेल इन्जिन भन्दा पेट्रोल इन्जिन राख्नु राम्रो गर्छ किनभने तिनीहरू मर्मत गर्न सस्तो हुन्छन्। तर यहाँ ठूलो छ। डिजेल इन्जिनहरू निकै बलियो हुन्छन् र प्रायः पेट्रोल इन्जिनभन्दा लामो समयसम्म काम गर्छन् तर डिजेल इन्जिनका केही भागहरू असफल भएमा श्रम लागत र पार्टको उपलब्धता दुवैको कारण मर्मत गर्न साँच्चै महँगो हुन्छ। यो भन्न सकिन्छ कि यो पेट्रोलसँग लगभग समान छ किनभने तिनीहरू कम फेल हुन्छन् तर जब तिनीहरू असफल हुन्छन् तिनीहरूको लागत बढी हुन्छ। 5. डिजेल इन्जिनहरू वातावरणको लागि हानिकारक छन् यी इन्जिनहरूले कालिलो जस्ता उत्सर्जनहरू उत्पादन गर्छन् जुन वातावरणको लागि राम्रो होइन। तिनीहरूले कम हरितगृह ग्यासहरू उत्पादन गर्छन् तर NOx जस्ता चीजहरू CO2 भन्दा वातावरणको लागि बढी हानिकारक छन्। अर्कोतर्फ पेट्रोलले कम वायु प्रदूषित कणहरू उत्पादन गर्दछ। 6. डिजेल इन्जिनहरू शोरमा छन् कम्तिमा भन्नुपर्दा, डिजेलबाट चल्ने कारमा ड्राइभिङ कष्टप्रद छ। तिनीहरूको उच्च कम्प्रेसन अनुपातको कारण, तिनीहरूले इग्निशन कक्षमा ठूलो 'बूम' बनाउँछन् र ध्वनि प्रदूषण स्रोतहरूको पहिले नै बढ्दो सूचीमा थप्छन्। यो धेरै नदेखिन सक्छ तर ध्वनि प्रदूषणले उच्च रक्तचाप, हृदय रोग र तनाव जस्ता गम्भीर स्वास्थ्य समस्याहरू निम्त्याउन सक्छ। 7. पेट्रोल इन्जिन अधिक शक्तिशाली छन् यो अलि अस्पष्ट हुन्छ। डिजेल इन्जिनहरू ठ्याक्कै गतिको लागि बनाइएका छैनन्। तिनीहरूसँग सुरुमा छोटो फटमा उच्च टर्क हुन्छ जसले तिनीहरूलाई राम्रो त्वरण दिन्छ। अर्कोतर्फ, पेट्रोल इन्जिनहरूको शक्ति इन्जिनको रिभ्समा निर्भर हुन्छ जसले तिनीहरूलाई डिजेलको तुलनामा फराकिलो स्तरमा पावर दिन्छ जसले गर्दा उनीहरूलाई थप RPM, अश्वशक्ति र ०-१०० किमी/घन्टा छिटो समय दिन्छ। 8. पेट्रोल इन्जिन अधिक उत्तरदायी छन् डिजेल इन्जिनको तुलनामा पेट्रोल इन्जिनले राम्रो पावर डेलिभरी भएको कारणले राम्रो थ्रोटल प्रतिक्रिया दिन्छ। यसले पेट्रोल इन्जिनलाई ड्राइभ गर्न पिप्पी महसुस गराउँछ जबकि डिजेल अलि सुस्त महसुस गर्दछ। निष्कर्ष यी हुन् तपाईंको अर्को कार पेट्रोलबाट चल्ने कारणहरू। डिजेल भन्दा पेट्रोल छनोट गरेर तपाई आफैं र वातावरण दुवैको पक्षमा हुनुहुनेछ।