Update : Did some other trips to CÉGEP when temperature where not friendly. Beated up my previous trip highscore : 42 to 42.5 MPG
Also, did my City highscore yesterday, I got 35 MPG when the EPA is 23 :
Mazda 3 : 35 MPG in a 100% town trip. CITY EPA : 23 MPG.
52.2% Above CITY EPA.