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Carbon Savings Impact

Carbon Emission Savings:

Engine idling contributes to carbon emissions because fuel combustion releases carbon dioxide (CO₂). By reducing idle time, significant carbon savings can be achieved.

Per Year (30 seconds):

• Low Estimate: Approximately 419.75 metric tons of CO₂ saved annually.

• High Estimate: Approximately 693.5 metric tons of CO₂ saved annually.

This is half of the savings calculated for 1 minute (which was 839.5– 1,387 metric tons).

2. Equivalent Environmental Benefits

The carbon savings can be equated to environmental activities and impacts for better understanding:

a) Tree Planting Equivalent

•Trees absorb CO₂ as part of their natural process. On average, a tree can absorb 60kg of CO₂ per year.

•Savings from 30 seconds of idling:

• Low Estimate: Equivalent to planting 6,996 trees.

• High Estimate: Equivalent to planting 11,558 trees.

b) Cars Removed from the Road

•On average, a car emits 4.6 metric tons of CO₂ annually.

•Savings from 30 seconds of idling:

• Low Estimate: Equivalent to taking 91 cars off the road.

• High Estimate: Equivalent to taking 151 cars off the road

Carbon Savings Impact

4. Why Focus on 30 Seconds?

•Practical Implementation: It’s easier to achieve small reductions consistently.

•Scalability: Small individual savings compound significantly over a large population.

•Encourages Behavioral Change: Drivers are more likely to adopt a practice that doesn’t feel overly restrictive.

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3. Visualizing the Impact

If implemented for 100,000 cars daily, saving 30 seconds of idling would:

•Contribute to substantial reductions in urban air pollution, improving public health.

•Demonstrate a scalable model for other cities or sectors.

Equivalent Environmental Benefits (30 Seconds)

1. Saving 30 seconds of idling for 100,000 cars daily reduces

carbon emissions by approximately 419.75–693.5 metric tons per year.

2. This is a significant reduction with measurable environmental benefits.