| PROPERTY, PLANT AND EQUIPMENT, NET |
4. PROPERTY, PLANT AND EQUIPMENT, NET Property, plant and equipment, net consists of the following: | | | | | | | | | | | | | December 31, | | | | 2019 | | 2018 | | Land | $ | 700,000 | | | $ | 700,000 | | | Buildings | 5,900,000 | | | 5,900,000 | | | Leasehold Improvements | — | | | 19,236 | | | Software | 28,352 | | | 102,367 | | | Equipment | 860,104 | | | 836,646 | | | Construction in progress | 1,925,500 | | | — | | | Vehicles and prototypes | 65,529 | | | 86,679 | | | 9,479,485 | | | 7,644,928 | | | Less: accumulated depreciation | (2,649,304) | | | (2,407,477) | | | Property, plant and equipment, net | $ | 6,830,181 | | | $ | 5,237,451 | |
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