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Old 25th January 2017, 18:06   #1
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Default Tata Motors launches Hybrid & Electric buses in India

Tata Motors has launched a series of eco-friendly buses in India. This range includes Starbus Hybrid (12 m) and Ultra Starbus Electric (9 m & 12 m). The company has also showcased India's first fuel cell bus (12 m), an LNG-powered bus and an articulated bus (18 m).

The Starbus Hybrid uses an electric-diesel powertrain that works in a series hybrid layout. The diesel engine is BSIV compliant. It is built on a modular platform and is complaint with all UBS-II (Urban Bus Specifications), AIS 051 (Automotive Industry Standards) and CMVR (Central Motor Vehicle Rules). It uses lithium ion phosphate batteries to power the electric motors. Features on offer include electronically controlled air suspension, electronically controlled brakes, automatic transmission and regenerative braking system. Tata Motors claims that during an average city trip, the hybrid bus runs on pure electric mode for 30-35% of the total travel duration and thus reduces fuel consumption by 25-30%.

Tata Motors launches Hybrid & Electric buses in India-unnamed.jpg

The Electric bus is built on Tata Motors' Ultra platform and is available in two variants - 9 m and 12 m. It has a semi-low floor of 650 mm. The Starbus Electric bus comes with CCTV cameras and telematics. It also features a GPS-enabled Intelligent Transport System (ITS), which indicates its expected time of arrival at all route bus stops.

The automaker has also showcased the Starbus Fuel Cell bus, which was unveiled at the 2012 Auto Expo. It uses a hydrogen fuel cell, which combines compressed hydrogen with oxygen from the air to produce electricity. The bus has been developed in association with ISRO (Indian Space Research Organisation).

Tata Motors launches Hybrid & Electric buses in India-unnamed-1.jpg

Meanwhile, the 18-metre long articulated bus showcased by Tata Motors, is an attempt to increase the capacity of city transport buses from 50-80 passengers to around 120 passengers. Since articulated buses come with more doors that are also larger in size, they offer rapid simultaneous boarding and disembarking capabilities. Wider doors also make them easily accessible to differently-abled passengers and the elderly. Tata Motors suggests that articulated buses are suitable for bus rapid transit systems (BRTS). Since these buses have more passenger capacity and employ less staff per passenger, they are also expected to help in enhancing revenue.

Tata Motors launches Hybrid & Electric buses in India-articulated.jpg
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Last edited by dZired : 25th January 2017 at 18:07.
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Old 25th January 2017, 19:25   #2
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Default Re: Tata Motors launches Hybrid & Electric buses in India

Whats the range of the electric bus?
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Old 25th January 2017, 21:10   #3
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Default Re: Tata Motors launches Hybrid & Electric buses in India

Quote:
Originally Posted by dZired View Post
Tata Motors has launched a series of eco-friendly buses in India. This range includes Starbus Hybrid (12 m) and Ultra Starbus Electric (9 m & 12 m). The company has also showcased India's first fuel cell bus (12 m), an LNG-powered bus and an articulated bus (18 m).

The automaker has also showcased the Starbus Fuel Cell bus, which was unveiled at the 2012 Auto Expo. It uses a hydrogen fuel cell, which combines compressed hydrogen with oxygen from the air to produce electricity. The bus has been developed in association with ISRO (Indian Space Research Organisation).
Thank you dZired. Good for Tata, good for India. Collaboration with ISRO sounds exciting. Hope it leads to a real workable solution. Toyota is betting on hydrogen fuel cells as the way of their future. For a country that couldn't design its own cars till as recently as a generation ago to now design electric & fuel cell buses is a big happy leap.

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Whats the range of the electric bus?
A pure battery powered bus depending on size (bigger size = more range) does between 120 to 200 kms per charge in city driving. Dalian has the largest fleet of battery buses (below) with the longest route being 250 kms on one charge. A bus consumes 1.2 to 1.4 kwh per km in city driving with regenerative braking. Being a bus it can carry a proportionately greater volume & weight of batteries than a car.
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Last edited by V.Narayan : 25th January 2017 at 21:15.
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Old 27th January 2017, 16:27   #4
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Default Re: Tata Motors launches Hybrid & Electric buses in India

The Hybrid and the EV buses are the need of the hour. Our cities are heavily polluted and the situation is becoming worse, day by day. Enough of talked about GHG emissions and we have a little action taken.
The Central Govt. should insist all the states to proactively replace a part of their transport bus fleet with these alternate fuel vehicles. Iím pretty sure that a 10 year old transport bus emits much higher emissions than any of the privately owned Car. Replacing the buses will be more logical than convincing a common man to buy an EV/Hybrid car.

Taking to account, the comment by V.Narayan
Quote:
Originally Posted by V.Narayan View Post
A pure battery powered bus depending on size (bigger size = more range) does between 120 to 200 kms per charge in city driving. Dalian has the largest fleet of battery buses (below) with the longest route being 250 kms on one charge. A bus consumes 1.2 to 1.4 kwh per km in city driving with regenerative braking. Being a bus it can carry a proportionately greater volume & weight of batteries than a car.
Now the range of an EV bus is good enough for any Intracity transport. It seems that the FAME incentive provided under the NEMMP scheme is not being effectively used by the public yet. And more than 3/4th of the allocated amount is un touched. The Govt. can probably use this amount to support the States to procure new EV bus fleets, as we now have a local manufacturer who sells the EV buses.
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Old 28th January 2017, 12:41   #5
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Default Re: Tata Motors launches Hybrid & Electric buses in India

Electric non AC bus would be more economically viable for city mass transit systems.

Air conditioning significantly bumps up initial cost, weight of the bus, running and maintenance costs. It eats into the range as well.
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Old 16th July 2017, 01:57   #6
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Default Re: Tata Motors launches Hybrid & Electric buses in India

Are diesel hybrids different from normal hybrids? Many petrol hybrids have Atkinson cycle engines rather than the typical Otto cycle engines.
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