What are the disadvantages of hybrid vehicles?

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Hybrid vehicles have disadvantages such as high cost, high failure rate, and low resale value. The specific details are as follows: High cost: The new car price is expensive, resulting in high purchase costs. The fuel savings are largely offset by the higher initial price; replacing the battery after it ages requires a significant expense, increasing the overall cost of ownership. Failure rate: Having two sets of drive systems increases the vehicle's failure rate, which adds another expense for maintenance. Low resale value: The resale value decreases significantly over time because potential buyers must first consider the cost of replacing the battery. Here is some related information: Power source: Hybrid electric vehicles use a combination of a traditional internal combustion engine (diesel or gasoline) and an electric motor as power sources. Some engines are modified to use alternative fuels, such as compressed natural gas, propane, and ethanol. Electric power system: The electric power system in hybrid vehicles includes highly efficient and enhanced electric motors, generators, and batteries. The batteries used can be lead-acid, nickel-metal hydride, or lithium-ion, and in the future, hydrogen fuel cells may also be employed.