Scientists have developed a new technology that could make electric car batteries smaller, lighter and longer-lasting, potentially letting drivers travel farther on a single charge without carrying a heavier battery

<img border="0" hspace="10" align="left" style="margin-top:3px;margin-right:5px;" src="https://timesofindia.indiatimes.com/photo/135428057.cms" />Scientists from the Korea Advanced Institute of Science and Technology developed a new technol