| Property, Plant and Equipment |
Property, plant and equipment, net consists of the following: | | | | | | | | | | | | | December 31, | | 2020 | | 2019 | | Land and improvements | $ | 794,875 | | | $ | 700,000 | | | Buildings and improvements | 6,005,505 | | | 5,900,000 | | | Equipment and vehicles | 1,847,696 | | | 953,985 | | | Tooling | 2,079,471 | | | — | | | Construction in progress | 4,129,568 | | | 1,925,500 | | | 14,857,115 | | | 9,479,485 | | | Less: accumulated depreciation | (3,458,949) | | | (2,649,304) | | | Property, plant and equipment, net | $ | 11,398,166 | | | $ | 6,830,181 | |
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