Main content
'Brands claim they deliver more power'
Dr Guohong Tian debunks marketing myths about premium petrol.
Duration:
This clip is from
More clips from Sliced Bread
-
![]()
Does mattress price matter?
Duration: 03:36
-
![]()
Bottled versus tap water: Can we taste the difference?
Duration: 03:17
-
![]()
What factors make paracetamol more effective?
Duration: 02:20
-
![]()
What are the mystery ingredients in energy drinks?
Duration: 02:36
