Find out what are the truths and myths about CNG

Vehicular Natural Gas (CNG) is one of the most widely used fuels today. It is an alternative source that supplies vehicles, besides being about 60% more economical than gasoline for the consumer. We've listed some of the most talked about truths and myths about CNG and brought the explanation to you. Shall we check it out?

  • CNG is always cheaper (Myth)

Although the cubic meter (m³) of the gas is cheaper than the liter of other fuels, this is not the only information to be considered: the driver must also take into account other expenses when deciding to install the CNG. For example, only the kit costs between R$ 2,800 and R$ 5,000. Thus, although the fuel is more into account, the costs for installing the CNG kit are not that low.

  • The car with CNG can explode in an accident (Myth)

If the kit is installed according to the standards, there is no risk of explosion. However, it is necessary to keep maintenance up to date – both in the vehicle and at the stations where the CNG offer.

  • The engine loses some of its power (Truth)

It has already been confirmed by several experts that the bike loses, yes, a part of its power with the CNG kit. This is because conventional engines are not designed to take advantage of this combustion, that is, they are not as functional for this fuel.

  • The installation of the CNG changes the value and reimbursement of the insurance (Truth)

According to José Varanda, a professor at the National Insurance School, "any change in the car must be reported to the insurance company. The loss can be negative if an incident is caused by a component added after the inspection." That is, the change also affects the price of insurance, since it can add value to the vehicle or make it more prone to theft and accidents.

  • You need to register the installation of the CNG Kit in the DMV (Truth)

In order for the vehicle to comply with state laws, the installation of the CNG kit must be done in a company accredited by Inmetro (National Institute of Metrology, Quality and Technology). After conversion, the car needs to be taken to an Accredited Inspection Body (OIA), also validated by the DMV (Department of Traffic).


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