How did NVVE's revenue and expenses trend in Q4 2024?

Nuvve Holding (NVVE) experienced a significant increase in gross margin, which improved by 12.9% to 33.14% in Q4 2024 compared to the previous quarter. However, the company reported a net loss of $5.1 million, which did not significantly change from the previous quarter. The operating expenses were not provided, making it difficult to analyze the trend of NVVE's expenses in Q4 2024.