Honda Insight for hybrid and overall... for diesel it is the: VW Lupo TDi... for the Philippines I'd place my bet on the Hyundai Getz CRDi if we are talking about Peso / liter.
b. Anong SUV ang pinakamatipid sa Fuel
Ford Escape Hybrid for hybrid and overall... for diesel I can't pick one, andami kasi sa Europe... for the Philippines I'd pick the previous gen Toyota Rav4 SV 1.8L 2WD; if current model I'd pick Hyundai Tucson CRDi.
c. Anong AUV ang pinakamatipid sa Fuel
Isuzu Crosswind XT
and...
a. Anong Auto ang pinakacomfort sa Ride
anything from Rolls Royce or Maybach... sa Philippines baka MB S-class