TTS/many kinds of synthesizers fall under the category of AI generally, including Vocaloid TTS. They even have a trademark “VOCALOID:AI™” which is an LLM that’s incorporated into Vocaloid 6, although Hatsune Miku uses Vocaloid 2-4 which just uses normal AI (to fit the samples together) and not ML afaik.
The article you link contradicts you, it clearly suggests that adoption of EVs reduce carbon emissions, but we still need to do more (e.g. ACTUALLY HAVE PUBLIC TRANSIT INFRASTRUCTURE) to prevent a climate catastrophe.