These tyres score well - C for crr - in the Euro rating system.
https://www.oponeo.ie/details-tyre/v...65-65-r14-79-t
For this tyre size, all the better eco tyres are a C.
Two alternatives - both of which I presently have on my Mirage - that also are rated C.
Bridgestone Ecopia EP150 165/65-14R, std fitting on Mits Mirage
Kumho ecowing ES31 165/65-14R
With regards to noise, they are rated 2dB quieter than the Bridgestone EP150 and the Kumho ecowing ES31
https://www.oponeo.ie/details-tyre/b...65-65-r14-79-s
https://www.oponeo.ie/details-tyre/k...65-65-r14-79-t