Page 85 - Shaping A Sustainable Future

A switch to an electric vehicle to reduce carbon emission Energy Savings
was, at first impression, plausible. However, further
research into this area has led us to discover that there During the site survey, we noted that they used
are hardly any commercial electric vehicles in Singapore. fluorescent lights in all the rooms. We compared (see
At the time of this report, the government information Table 2a and b) and found the difference between
on the Vehicle Emissions Scheme (VES) was not available fluorescent and LED lights in energy consumption and
to them, so EMARCO was not incentivised to bring in CO produced.
the EV models in the early days is considerable scope for 2
expanding the scheme.

Fluorescent CO Emissions (kg) Cost ($)
2
(kWh) (1kW = 0.4188 kg) ($0.23 per kWh)
One bulb (8 hours a day) 0.11 0.05 0.026
One bulb ( a month) 3.3 1.38 0.77
One bulb ( a year) 39.6 16.58 9.28

60 bulbs (a day) 6.6 2.76 1.55
60 bulbs ( a month) 198 82.92 46.39
60 bulbs ( a year) 2,376 995.07 556.70

Table 2a: CO emission for fluorescent bulbs
2

LED CO Emissions (kg) Cost ($)
2
(kWh) (1kW = 0.4188 kg) ($0.23 per kWh)
One bulb (8 hours a day) 0.07 0.029 0.016
One bulb ( a month) 2.1 0.88 0.49
One bulb ( a year) 25.2 10.55 5.90
60 bulbs (a day) 4.2 1.759 0.98
60 bulbs ( a month) 126 52.77 29.52
60 bulbs ( a year) 1,512 633.23 354.26

Table 2b: CO emission for LED bulbs
2

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