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PluginIndia Electric Vehicles

Bangalore city tests India's first Electric Bus

1/3/2014

8 Comments

 
By Kamlesh Mallick
A Chinese made 'zero emissions' electric bus is seen on the roads in India's IT city!  The Bangalore Metropolitan Transport Corporation (BMTC) has started trial runs of an e-bus provided by the Chinese automobile giant - BYD

Earlier Delhi 'tested' a CNG-Electric hybrid bus manufactured by Tata in 2010.  But nothing came of out that exercise. It remains to be seen if, BMTC will actually procure these cool electric buses and add them to its fleet.

This is a baby step towards sustainable mass transit, which could save huge money on oil imports and cleanup the air in our cities.
Picture
BYD electric bus in China
The biggest benefit of the electric bus is its vibration free travel. Unlike the diesel bus which is completely noisy and always irritatingly viberating even when it is standstill the electric bus is a real pleasure to travel in especially if the interior is airconditioned. And yes no more nauseating sensation that one feels when travelling in diesel buses! You can smell the flowers and the greenery on the side. 
Picture
Would you be able to smell the flower and greenery here when travelling in a Diesel Bus? Never!
The BYD electric bus has impressive specs.  
  • The BYD bus has a battery pack that can store  324 kWh of energy. Just for comparison, the Mahindra e2o electric car uses a 10kWh battery pack.  A bus needs a lot of energy, due to its mass and this pack certainly provides that.
  • The BYD bus uses a Lithium iron phosphate battery (LiFePO4), which has lithium iron phosphate (LiFePO4) as the cathode material.  General Lithium Ion batteries found in electric cars have lithium cobalt dioxide (LiCoO2) as the cathode material. The Lithium-iron phosphate battery has edge over the Li-ion battery as It has superior chemical and thermal stability. A Lithium-iron phosphate battery remains cool at room temperature while the Li-ion may suffer thermal runaway and heats up faster under similar charging conditions.  
    However the disadvantage of Lithium iron phosphate battery is that the energy density (energy/volume) of is around 14% lower than that of a new Li-Ion battery pack.
    But the BYD bus has enough space to add more battery packs for its energy needs.
  • A range of 250 km per charge. BMTC plans to operate the bus on trial basis for three months between Kempe Gowda bus depot and Kadugodi. The bus can make about eight trips on the route, with a full charge.
  • 6 hours to fully charge the battery pack
  • Top speed of 96 kmph
Picture
The BYD electric bus in Bangalore
The Costs
Apparently the BMTC will test the bus for 3 months and then take a decision on purchasing the bus.The cost of 2.7 Cr per bus is expensive. They should consider looking at other manufacturers too. Apparently the Volvo bus costs around 1.5 Cr (But it also has lesser range). 

Whatever decision the BMTC makes, in the long term these buses will definitely save money and help reduce out dependence on imported oil which are paid in Dollars. 

The BYD bus will run 250 km per charge and will cost just Rs 1620 (325 kWh battery pack and electricity at Rs 5 per unit).  No oil based bus can provide that kind of economy.  The best option would be to install Solar Panels on the bus terminals and you have clean, free energy powering our mass transit.
Picture
Huge Savings!!!
A Bus travelling 100 kms would consume 25 liters of Diesel. The cost of a liter of diesel in 2014 is Rs 58. Assuming, it goes around 250 kms every day, it will need 62.5 liters of diesel per day. The cost of this is:

Rs 58 x 62.5 = Rs 3,625 per day

Rs 3,625 x 30 days = Rs 108,750 per month

Rs 3,625 x 365 days = 13,23,125 per year.

If using Solar Panels, an electric Bus can save Rs 13.23 Lakh each year then 100 electric buses can save Rs 13,23,12,500. If these 100 buses charge from the grid it will still save about 13,00,00,000 per year.

If 1 electric bus can save Rs 13 Lakh each year then 100 electric Buses can save Rs 13 Crore 23 Lakhs per year.  As the diesel price increases the bus will keep saving more and more!

We would advice the transport minister of Bangalore to blindly place an order of 100 BYD buses, if the tests are successful.

Picture
The Bus depot can create its own fuel (electricity) to charge the vehicles.
Picture
Wireless solar charging of the bus is also an option
Picture
... and Bus Stops can be as cool as this one too... :-)

Alternate option - The San Francisco Trolley Bus!
Picture
The SanFrancisco Trolley Bus
A trolleybus is an electric bus that draws its electricity from overhead wires using spring-loaded trolley poles. Two wires and poles are required to complete the electrical circuit.  This simple yet efficient system has been used in cities like San Francisco since 1935! 

Many European cities have these too.  A bus has a fixed route, so this is an ideal option. All that is needed is the infrastructure of the poles and the electric cables.

This system can be introduced in our cities at the fraction of the cost as compared to the battery based electric buses.  This also eliminates the need for 'wait time' during charging.

But given the chaotic nature of Indian roads, its extremely challenging to develop a trolley system here.
Final Words
Indian cities are chocking with vehicle pollution. We are glad to see Bangalore test these zero emission buses.  Hope other cities test these too!

These zero emission buses will ensure our children will breathe clean air in our cities.

8 Comments
Farah
1/3/2014 02:16:10 am

Great step.. I think the cost calculation should be seen from a longer duration view point and not just a comparison between vehicles as initial investment. It would be great to have these vehicles on road.

In Mumbai, public transport be it trains or busses are lifelines, and the number of vehicles I see on road.. each carrying 20-40 ltr tanks makes me wonder where we all are heading towards..

Reply
Kamlesh
2/3/2014 09:59:53 am

Hi Farah,

I agree that when it comes to electric mobility as of now, people will need to look at the overall cost of ownership and then see the benefits.

I also agree that we are addicted to oil and thus we really need to think our way out of this ICE and OIL addiction.
Some of the best people like Elon Musk and so many brilliant minds are working towards getting us out of this oil addiction!
So the future is bright with Zero emission mobility. There is no doubt about it.

Keep posting!
Kamlesh

Reply
Johnson
1/3/2014 08:40:19 am

Each night we go home after work and wear our "spider-man" mask and go to do the job of saving the world... from this crazy petrol addiction.

Some people do and some don't appreciate the work we do but as long there are people like those who have created the electric car we all would still have a chance.

Reply
Shashi link
13/4/2014 07:03:07 am

Electric bus concept is a great move by BMTC, and after one month of service it is considered as a success. People are using this bus more often than any other buses on this route, simply because it is less noisy, ticket price is same as any other bus, and is a guilt free ride :).

ROI of these buses will be much better(within 4 years) compared to traditional buses, due to full load runs(60 person * 6 trips * Rs 40 * 365) on each trip, no engine maintenance/service, and diesel savings.

Hope to see BMTC add more electric buses to its fleet in coming days.

Reply
PluginIndia
13/4/2014 01:21:23 pm

Totally agree. Lets see how the municipal corporation decides to go ahead with the procurement.

Reply
Sreehari Variar
24/9/2015 10:17:19 am

I tried to find out what happened to this off late. Anyone has a clue?

Reply
MALLIK SYAGALE
17/9/2017 08:13:58 am

Best Option is for Electric Trolley Buses in All State Capital / Metros and 1/2 Tier cities

Reply
Sai Kiran link
15/5/2018 11:04:10 am

Hi Kamlesh Mallick,
Very interesting & informative article.Electric buses are really the future of Indian transportation as they are emission free & eco-friendly.To reduce overall pollution & fuel usage, Indian Government needs to bring Electric buses for public transport in the near-future.

Reply

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