In recent years, the domestic market for gaseous fuel models has continued to slump, and the production and sales of natural gas engines have continued to decline. According to the latest data, in the first quarter of this year, the cumulative production and sales of other fuel engines were 2,441 and 3,878, respectively, down 62.82% and 42.65% respectively year-on-year. In this context, can the current continuous favorable policies inject a strong booster into the depressed natural gas engine? Can natural gas engines set the tone and usher in the dawn?

Weichai natural gas engine

The policy is favorable for driving

During the two sessions of this year, the National Energy Administration Director Nur Baikel said that the State Council has considered and studied a "Several Opinions on Deepening the Reform of the Oil and Gas System," after which the National Development and Reform Commission and the National Energy Administration will make some changes and supplements as required. Perfection is expected soon after the two sessions will be introduced.

It is understood that the "Opinions on Accelerating the Use of Natural Gas" proposes gradually nurturing natural gas as the main energy source of China's modern energy system and vigorously developing natural gas distributed energy. Natural gas distributed energy is the use of natural gas as fuel to achieve energy cascade utilization that directly meets a variety of user needs.

“The introduction of clean energy and a series of favorable policies are all driving forces for the future development of natural gas engines.” Vice President of Weichai Power Co., Ltd. told reporters that at home, policy promotion has always been a strong promoter of industrial development, this year’s The Prime Minister's report puts forward the development of clean energy and natural gas as a kind of clean energy, and the future development is worth looking forward to.

Vehicles pull growth

According to the Ministry of Industry and Information Technology production statistics, the domestic heavy-duty truck market reached 4,119 units in February this year, an increase of 927% over the same period last year. From January to February of this year, natural gas heavy trucks produced 6,950 vehicles, an enormous increase from the same period last year, reaching 4.8 times and a net increase of 5,800 vehicles.

The increase in production and sales of natural gas heavy trucks directly boosted the sales of natural gas engines. Qi Dehui said that since the beginning of this year, the natural gas engine industry has picked up overall. “This time, the production and sales of natural gas engines in Weichai have increased significantly,” he said.

Xing Min, secretary general of China Internal Combustion Engine Industry Association, also stated that in the first two months of this year, the natural gas engine sales of engine companies were generally very good. “This is also affected by the GB1589 policy and a series of actions to limit hyperventilation, and the sales of engine parts and components companies. Get pulled." Xing Min said.

At present, China has a relatively mature experience in the promotion of natural gas vehicles. It also has relatively complete fuel production reserves and facilities for filling, and some car companies have already introduced mature and applicable vehicles. However, Xing Min also admitted that the growth momentum of sales of natural gas engines in March this year may decline slightly. “The growth brought by the limit of ultra-super cure will tend to be flattened. The future mainly depends on the vehicle and natural gas-related policy guidance.” Indicated.

Economic advantages begin to show

Shen Bin, vice president of China Automotive Research Institute Beijing Branch, told reporters that natural gas engines are highly efficient in primary energy use. Compared with fuel engines, NMHC (non-methane hydrocarbons) in tail gas can be reduced by 70%, CO is reduced by 50%, and NOx is reduced by about 10% to 40%, PM can be reduced by more than 90%, and lead-free, benzene and so on.

At the same time, natural gas vehicles can reduce CO2 emissions by about 20%, even if compared with hybrid gasoline vehicles, their CO2 emissions still have certain advantages. In the “National Regulations on Climate Change,” “new energy automotive technologies and low-carbon alternative fuel technologies” are listed as one of the key low-carbon technologies.

In the past two years, due to the high price of natural gas, the economic efficiency of natural gas distributed energy has been greatly reduced, and thus the development of domestic natural gas engines has entered a downturn and has continued to decline. However, since the end of 2015, the reform of China's natural gas system has started, and the price of oil products has fallen, and the economic efficiency of natural gas has improved. This has brought new opportunities for the development of natural gas engines.

Shen Bin said: “The technical level of domestic natural gas vehicles and engines continues to increase, the scale of natural gas consumption for vehicles continues to expand, and an independent industrial chain is basically formed.”

Easier to meet the national six emission standards

According to Shen Bin, at present, many domestic vehicle and engine companies are developing natural gas engines and vehicles. Among them, there are about 30 passenger cars and engine manufacturers, with an engine displacement of 1.0 to 2.4L and a power of 34 to 100kW. All new vehicle announcements have reached the national five emission standards; more than 20 commercial vehicle and engine companies have been involved in the engine row. The volume is 1.0 to 13L and the power is 38 to 400kW. The new vehicle announcement reaches the national five level.

Natural gas heavy truck

At the same time, China's independent full range of CNG/LNG cylinders, ECUs, gas nozzles, pressure reducers and other special devices and parts and components have been applied to the market in batches. Stationary equipment such as compressors and dispensers also achieved localization, with a domestic share of over 90% and some products reaching 100%.

Zou Bowen, deputy director of the National Gas Automotive Engineering Technology Center, said that from the perspective of meeting the technical and economic requirements of regulatory requirements, natural gas commercial vehicles do not need a high SCR system, and are more likely to meet the national five and future national six emission requirements than diesel vehicles. In terms of passenger vehicles, to meet the Sixth National Standard, gasoline vehicles must use GDI (direct in-cylinder injection) technology, which will lead to a dramatic increase in particulate emissions, increase the difficulty of emission treatment, use natural gas as a fuel cleaner, no particulate emissions It is easier to achieve the Sixth National Standard. In addition, under the country’s new “carbon quota, double-integration” system, natural gas vehicles will win policy support for auto companies by virtue of their 20% reduction in carbon dioxide emissions compared to traditional vehicles. Therefore, natural gas vehicles have the dual advantages of clean emissions and carbon reduction, which will surely make more companies pay attention to the R&D and manufacturing of natural gas vehicles and engines.

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