Carbon Dioxide Emissions

Carbon Dioxide Emissions

Since the year 1750

World CO2 since 1750 (cubic feet)

The carbon clock tracks total carbon dioxide emissions in metric tons since 1750.World Carbon Dioxide Emissions since 1750 (cubic feet)


what is benefits of Bio-diesel ?

Biodiesel advantages


Biodiesel is a renewable, cleaner burning alternative to mineral diesel

Key properties of biodiesel:

Vegetable-oil based
Biodiesel refers to a variety of ester-based oxygenated fuels made from vegetable oils or animal fats.
The concept of using vegetable oil as a fuel dates back to 1895, when Dr. Rudolf Diesel developed the first diesel engine. Diesel demonstrated his engine at the World Exhibition in Paris in 1900 using peanut oil as fuel.
100% Renewable fuel
Biodiesel is a completely renewable fuel, made from oilseed crops such as soybeans, rapeseed, jatropha seed, cotton seed, and mustard seed.
Turns waste into fuel
Biodiesel is also made from waste vegetable oil and oil derived from animal fat (tallow) – waste that would otherwise be disposed of.
Local sourcing improves Energy Security
Using biodiesel reduces our dependence on mineral fuels, which is mostly foreign.In addition, biodiesel provides jobs for domestic farmers and jobs in local communities.
Carbon neutral
The carbon dioxide emitted by biodiesel upon combustion replaces the atmospheric carbon dioxide originally extracted by the plants used to make the vegetable oil.
Almost 80% reduction in C02 compared to diesel
A 1998 biodiesel lifecycle study, jointly sponsored by the U.S. Department of Energy and the U.S. Department of Agriculture, concluded that biodiesel reduces net carbon dioxide emissions by 78 percent compared to mineral diesel.This makes biodiesel is the best greenhouse gas mitigation strategy for today’s medium and heavy duty vehicles.
Significantly cleaner emissions than diesel
Biodiesel contains virtually no sulphur so produces 100% less sulphur dioxide compared to mineral diesel emissions.  Combustion of biodiesel alone provides over a 90% reduction in total unburned hydrocarbons, and a 75-90% reduction in aromatic hydrocarbons.  Biodiesel further provides significant reductions in particulates and carbon monoxide.  Biodiesel provides a slight increase or decrease in nitrogen oxides depending on engine family.
High positive energy balance
The DOE/USDA lifecycle analysis shows for every unit of mineral energy it takes to make biodiesel, 3.2 units of energy are gained.  This takes into account the planting, harvesting, fuel production, and fuel transportation to the end user.
Health benefits
Biodiesel is the only alternative fuel in the US to complete EPA Tier ITier II Health Effects Testing under section 211(b) of the Clean Air Act, which provide the most thorough inventory of environmental and human health effects attributes that current technology will allow.These independent tests conclusively demonstrated biodiesel’s significant reduction of virtually all regulated emissions, and showed biodiesel does not pose a threat to human health.Based on Ames Mutagenicity tests, biodiesel provides a 90% reduction in cancer risks.
Better for diesel engines
Biodiesel is the only alternative fuel that runs in any conventional, unmodified diesel engine.  It can be stored anywhere that mineral diesel is stored and can be used alone or mixed in any ratio with mineral diesel.Biodiesel is 11% oxygen by weight and contains no sulphur.  The use of biodiesel can extend the life of diesel engines because it is more lubricating than mineral diesel, while fuel consumption, auto ignition, power output, and engine torque are relatively unaffected by biodiesel.
Non-toxic and biodegradeable

Biodiesel is safe to handle and transport because it is as biodegradable as sugar, 10 times less toxic than table salt, and has a high flashpoint of about 125°C compared to mineral diesel, which has a flash point of 55°C.

Benefits of Biodiesel

Benefits of Biodiesel

The smartest technologies deliver benefits to multiple interests, including an improved economy, sustainabilty and a positive impact on the environment.

Emissions & Greenhouse Gas Reduction

Biodiesel is the only alternative fuel to successfully complete the EPA’s rigorous emissions and health effects study under the Clean Air Act. Biodiesel provides significantly reduced emissions of carbon monoxide, particulate matter, unburned hydrocarbons, and sulfates compared to petroleum diesel fuel. Additionally, biodiesel reduces emissions of carcinogenic compounds by as much as 85% compared with petrodiesel. When blended with petroleum diesel fuel, these emissions reductions are generally directly proportional to the amount of biodiesel in the blend.

Easy to Use

One of the great advantages of biodiesel is that it can be used in existing engines, vehicles and infrastructure with practically no changes. Biodiesel can be pumped, stored and burned just like petroleum diesel fuel, and can be used pure, or in blends with petroleum diesel fuel in any proportion. Power and fuel economy using biodiesel is practically identical to petroleum diesel fuel, and year round operation can be achieved by blending with diesel fuel.

Improved Power, Performance and Economy

In Washington, Propel Inc.—which owns a network of fueling stations that offer B5, B20 and B99—recently completed a study with The Essential Baking Co. that concluded that B99 runs as effectively as, if not better than, petroleum diesel when used in the baking company’s delivery vehicles, according to Propel. The vehicles varied in model year and type, and were driven on a variety of routes and a variety of distances. Essential Baking used 2,500 gallons of B99 over 37,000 miles and 13 weeks beginning in January. Air temperatures dipped below 35 degrees Fahrenheit during 32 days of the study, and none of the vehicles experienced failures. The majority of drivers reported that the vehicles ran smoother and quieter on B99 than on petroleum diesel.

Safe, Biodegradable and Less Toxic than Table Salt

Toxicity, Biodegradability, Safety & Recycling

Though it is uncommon for the average person to come into direct contact with fuels, occasional spills do occur, and the impact of the fuel on plants and animals must be considered. Biodiesel has been proven to be much less toxic than diesel fuel, and is readily biodegradable. These attributes make it less likely to harm the environment if an accidental spill occurred, and far less costly to repair damage and clean up.

Less Toxic than Table Salt

Being derived from vegetable oils, biodiesel is naturally non-toxic. The acute oral LD50 (lethal dose) of biodiesel is more than 17.4 g/Kg. By comparison table salt (NaCl) has an LD50 of 3.0g/Kg. This means that table salt is almost 6 times more toxic than biodiesel.4

Aquatic Impacts

In an aquatic environment, biodiesel is 15 times less toxic to common species of fish than diesel fuel.*


In both soil and water, biodiesel degraded at a rate 4 times faster than regular diesel fuel, with nearly 80% of the carbon in the fuel being readily converted by soil and water borne organisms in as little as 28 days.*

* Peterson, Charles and Moller, Gregory. “Biodegradability, BOD4, COD and Toxicity of Biodiesel Fuels”, University of Idaho Biodiesel Education Program.

Energy Dollars Stay in Your Community

Since biodiesel can be created from locally available resources, it’s production and use can provide a host of economic benefits for local communities. locally available feedstocks are collected, converted to biodiesel, then distributed and used within the community. This keeps energy dollars in the community instead of sending them to foreign oil producers and refineries outside the community. The benefits of this may vary for each case, but can include:

  • Increased tax base from biodiesel production operations.
  • Jobs created for feedstock farming and/or collection.
  • Skilled jobs created for biodiesel production and distribution.
  • Income for local feedstock supliers and refiners.

what is biodiesel ?

Bio diesel is an alternative fuel which can be used in diesel engines with little or no modifications. It is a mixture of several alkyl esters produced from vegetable oils, most widely through a process called Transesterification.

Bio diesel refers to a vegetable oil- or animal fat-based diesel fuel consisting of long-chain alkyl (methyl, propyl or ethyl) esters. Bio diesel is typically made by chemically reacting lipids (e.g., vegetable oil, animal fat (tallow)) with an alcohol.

Bio diesel can be used in its pure form (B100) or blended with petroleum diesel in various proportions (eg, B20 is 20 percent bio diesel, 80 percent petroleum diesel) to reduce emissions. It is an environmental friendly, renewable source of energy.

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