Environmental Management and Sustainable Development · Energy and Environment · 2 marks · Numerical answer
Anita travels30 km daily on a petrol scooter giving50 km/L. She replaces it with an electric scooter using.1 kWh per 10 km. Petrol costs₹90/L, electricity₹3.5/kWh;ignore maintenance. Find annual saving in integer rupees.
Petrol use is 30/50=.6 L/day, cost₹54/day. Electricity use is $(30/10)(.1)=.3$ kWh/day, cost₹1.05/day. Daily saving is₹52.95; for 365 days, total saving is₹19326.75,rounded **₹19327**. Purchase costs are outside the stated operational-cost comparison.
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