Question:

The entire fleet of buses in Delhi were converted to CNG from diesel. In reference to this, which one of the following statements is false?

Updated On: May 2, 2025

CNG burns more efficiently than diesel
The same diesel engine is used in CNG buses making the cost of conversion low
It is cheaper than diesel
It cannot be adulterated like diesel

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The Correct Option is B

Solution and Explanation

The question pertains to the conversion of Delhi's bus fleet from diesel to CNG. Here, we examine the given statements to determine which one is false in the context of this transition. Let's analyze each statement:

CNG burns more efficiently than diesel.
This is a fact as CNG (Compressed Natural Gas) produces fewer emissions than diesel, making it more efficient in terms of environmental impact.
The same diesel engine is used in CNG buses making the cost of conversion low.
This statement is false. CNG vehicles require different engine modifications and cannot use the same diesel engine without significant alterations, which are costly.
It is cheaper than diesel.
CNG is generally cheaper than diesel per unit of energy, which is one of the reasons for the shift to CNG to reduce operating costs.
It cannot be adulterated like diesel.
CNG is less prone to adulteration compared to liquid fuels like diesel, thereby offering a purer form of energy.

Thus, the false statement is: The same diesel engine is used in CNG buses making the cost of conversion low, as converting diesel engines to run on CNG involves more complex and costly modifications.

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Environmental Issues

Environmental issues refer to problems that arise from human activities that negatively impact the natural environment. These issues have far-reaching consequences on the earth and its inhabitants, including plants, animals, and humans.

Some of the major environmental issues include climate change, pollution, deforestation, and loss of biodiversity. Climate change is caused by the accumulation of greenhouse gases in the atmosphere, leading to global warming and changes in weather patterns. Pollution is the release of harmful substances into the environment, such as air pollution from vehicle exhausts and industrial emissions or water pollution from oil spills and agricultural runoff.

Deforestation is the clearing of forests for human activities such as agriculture and logging, leading to habitat destruction and loss of biodiversity. Biodiversity is the variety of plant and animal species in an ecosystem, and its loss can lead to ecological imbalances, reduced food security, and the spread of diseases.

Other environmental issues include land degradation, resource depletion, and waste management. Land degradation is the deterioration of soil quality due to activities such as overgrazing, overuse of fertilizers, and deforestation. Resource depletion refers to the depletion of natural resources such as water, fossil fuels, and minerals. Waste management refers to the proper disposal and treatment of waste, which can cause health and environmental problems if not handled correctly.

Overall, environmental issues require collective action and effective policies to reduce their impact and preserve the natural world for future generations.