Original sentence: Even if a portion of the weight capacity is removed by the presence of batteries within the cargo bed, much of the spatial utility remains.While a number of suitable vehicles are available in pre-2000 models, the modern evolution of this type has become taller, heavier, and less efficient, and their excessive height makes under-bed battery placement necessary to keep the center of gravity low
Edited sentence: Even if a portion of the weight capacity is removed by the presence of batteries within or below the cargo bed, much or all of the spatial utility remains.While a number of suitable vehicles are available in pre-2002 models, the modern evolution of this type has become taller, heavier, bulkier and less efficient, and their excessive height makes under-bed battery placement necessary to keep the center of gravity low