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Written by: Golden Chess
2021-04-05 08:00
Last update date: 2021-04-05 08:00
Hong Kong's first "Roadmap for the Popularization of Electric Vehicles" was released last month, aiming to achieve the goal of zero vehicle emissions and carbon neutrality by 2050.
KMB stated that in order to comply with the Hong Kong government’s policy, it plans to order 42 double-deck electric buses this year. The tendering process has already begun. It is expected that the entire group will have 80 electric buses next year. ".
Electric buses are currently more expensive than diesel buses. When asked whether switching to electric buses will increase the price pressure, KMB believes that the maintenance cost and daily operating costs of electric buses are lower than diesel buses. In the long run, switching to electric buses may not be good. Huge financial burden."
In addition to the introduction of electric buses, KMB is also substantially increasing the charging facilities for electric buses. It is currently planning to build two new depots that will be completed in about three to four years. It is expected that 800 to 1,000 electric buses can be charged.
The KMB fleet currently owns more than 4,000 buses, of which only 14 are electric buses.
In order to meet the government's goal of achieving zero vehicle emissions by 2050, Leung Lingyan, director of the KMB's Vehicle Planning Department, said that KMB will gradually change its fleet to electric vehicles.
He pointed out that the 16 single-deck electric buses purchased last year are expected to be delivered this year; KMB plans to order 42 double-deck electric buses. The tender process has already begun. It is estimated that there will be 80 electric buses in the entire group of KMB and Long Win in 2022. bar.
Leung Lingyan emphasized that, as the largest franchised bus operator in Hong Kong, KMB has the responsibility to "go ahead" and is confident that the fleet will be fully converted to electric vehicles by 2050.
When asked about the price of electric vehicles, Leung said that each diesel bus costs 2 to 3 million yuan, while electric buses are even more expensive. "Of course (electric buses) are new technologies. Seeing that the price of electric buses is too much."
However, he pointed out that the maintenance costs and daily operating costs of electric buses are lower than those of diesel buses. In the long run, switching to electric buses "may not be a huge financial burden."
▼Measures related to electric commercial vehicles in the "Roadmap"▼
Car factories have successively introduced charging equipment
In terms of charging facilities, Leung Lingyan said that next year, many major KMB depots, including the Lai Chi Kok Depot, Kowloon Bay Depot and some depots in Tuen Mun, will install additional charging facilities, which will be enough to charge 100 electric buses.
With the increase in the number of electric buses in the fleet, apart from major depots, KMB is also studying with China Light and Power to carry out alteration works, such as the addition of substations, at 14 "satellite depots" that mainly park buses.
As for the existing bus terminus, if it is necessary to install charging equipment, the changes involved are very large. I believe that the charging facilities of the depot will be sufficient for the time being to support daily operations.
Leung continued that KMB is discussing with the government to upgrade the power supply facilities of the two new depots, including the new depot on the site of the original toll plaza at Chek Lap Kok Link Road in Tuen Mun and the Tai Po Depot. It is expected that the new depot will be completed in 3 to 4 years. , Has been equipped with equipment that can charge 800 to 1,000 electric buses.
He admitted that there are many challenges in adding charging facilities to depots. For example, when existing depots are built, "charging facilities may not be pre-installed." Therefore, the biggest difficulty is to add substations. KMB is working with China Light and Power Corporation to study the feasibility of adding substations in the corners of depots. Sex.
The route of the electric bus is undecided
As for the endurance of electric buses, Leung Lingyan pointed out that according to the data provided by the manufacturer, electric buses can travel more than 200 kilometers. "Many vehicles in the fleet (drives) are within 200 kilometers, and the upslope and downslope are comparable to diesel buses."
KMB has not yet decided on which route the electric buses will run. Liang hopes to try different routes, including long-distance, new development areas and urban areas. "We all want to carry more data."
However, the existing 14 electric buses travel more urban routes because they have to comply with government funding requirements.
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KMB develops third-generation solar installations with solar film on car roof
In addition, KMB has successfully developed a third-generation solar-powered double-decker bus, which can supply 16 fans of the bus air conditioner, reducing the temperature of the cabin by 8 to 10 degrees.
KMB Engineering Department engineer Zhang Yunyao said that the third-generation solar-powered double-decker bus introduced about two millimeters of ultra-thin solar film. Compared with the first and second generations, construction and installation are required. The third generation can be directly attached to the roof of the car.
Zhang Yunyao also pointed out that the third-generation solar film absorbs more solar energy, and the power supply efficiency is 88% higher than that of the second-generation. Each bus can save 7 liters of fuel per day, which means a reduction of 5% to 8% in fuel consumption.
Liang Lingyan said that in the future, all new cars will be equipped with third-generation solar devices, and it is also planned to refit existing buses that are about 8 to 10 years old; and that priority will be given to the refitting of buses that travel more on highways and suburbs.
Currently, the third-generation solar-powered buses are still waiting for approval from the Transport Department. They are expected to be able to run on roads starting from the middle of this year.
Liang hopes that the installation of solar-powered buses can reduce fuel costs. "You can answer if you reduce the fare, but the fare pressure must be lower."
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