According to a new report by Polaris Market Research, the global train battery market was valued at USD 506.29 million in 2021 and is projected to reach USD 769.24 million by 2030, expanding at a CAGR of 5.1% over the forecast period. Growth is underpinned by rising rail electrification, expanding high-speed rail networks, and growing adoption of autonomous and hybrid locomotives that depend on...