Since Congress passed the Mercury-Containing Battery Management Act in 1996, most disposable alkaline batteries contain little or no mercury.
自1996年，国会通过了《水银电池管理法案》，大多数可任意使用的碱性电池几乎不再含有水银成分了。
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It says it has developed a micro-turbine engine to act as an on-board charger and a high-density battery that can power a vehicle for about 60-80 km (35-50 miles) on one charge.
It says it has developed a micro-turbine engine to act as an on-board charger and a high - density battery that can power a vehicle for about 60-80 km (35-50 miles) on one charge.