These improvements increased engine efficiency by a factor of about five, saving 75 % on coal costs.
These improvements increased engine efficiency by a factor of about five, saving 75 % on coal costs.
0.003 seconds.
These improvements increased engine efficiency by a factor of about five, saving 75 % on coal costs.
These improvements increased engine efficiency by a factor of about five, saving 75 % on coal costs.
0.003 seconds.