KMB takes delivery of BYD eBus for testing | South China Morning Post
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  • Feb 1, 2015
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KMB takes delivery of BYD eBus for testing

Single-decker from mainland manufacturer BYD may require more investment to ensure safety

PUBLISHED : Saturday, 22 September, 2012, 12:00am
UPDATED : Saturday, 22 September, 2012, 3:47am
 

The biggest franchised bus operator has taken delivery of its first fully battery-powered single-decker, which will hit the road soon for testing.

Diesel-fuelled buses are a big source of choking roadside pollution, and there are hopes that the electric bus, jointly developed by KMB and Hong Kong-listed mainland manufacturer BYD, will be a step towards cleaner air. But experts say heavy investment will be needed before such vehicles become a feature of the transport network.

A spokeswoman for KMB, which operates 4,000 diesel buses, said the so-called eBus, developed specifically to suit the city's streets, arrived last week and was being kept at the company's Lai Chi Kok depot.

People who have seen the bus say it is painted gold. "It is now undergoing testing and commissioning," she said. "KMB will conduct road tests of the eBus to gauge its suitability for Hong Kong's operating conditions."

The specifications of the bus and the routes it is likely to run are unknown, though it is expected to be deployed in areas plagued by pollution such as Nathan Road in Kowloon.

KMB also plans to test the so-called gBus, which uses super-capacitator technology to charge up from overhanging power points at bus stops, on two routes in Kowloon. The bus was used during the 2010 World Expo in Shanghai. Unlike the battery-powered eBus, it can go only 10 kilometres without recharging.

Professor Eric Cheng Ka-wai, of the department of electrical engineering at Polytechnic University, said many challenges lay ahead for the eBus.

"Safety is the top priority, both in terms of the passengers and the vehicle itself," he said, citing public concern about a car crash involving a BYD electric taxi in Shenzhen that burst into flames.

Cheng said investment and careful planning would be needed to set up a charging network and fit the recharging to the bus operating schedules.

A rival electric bus provider, Great Dragon, says its first right-hand-drive bus will arrive in the city as early as next month and will be passed to a public utility for trials.

The Environment Bureau says a government-funded trial of electric buses starts next year.

In July, the legislature approved funding for procurement of 36 electric buses and related charging facilities for KMB, City Bus/New World First Bus, Long Win Bus and New Lantao Bus.

Previous attempts to introduce electric buses ended in failure more than a decade ago. In 2001, a few 14-seat electric minibuses were tested for six months. They proved hard to charge, sputtered going uphill and were expensive to maintain.

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