TECHNOLOGY FOCUS - BIOLOGY - Preferred Components: The plant source comprises vetch, fescue, clover, oats, rye, rice, hops, barley, alfalfa, legumes, sugar beets, corn grain, wheat, potatoes, carrots, sugarcane, palm, palm kernel, canola, jatropha, sorghum, corn stalks, soy bean oil, castor oil, rape seed, jojoba, switchgrass, field grass, seaweed and/or other biomass sources.    TECHNOLOGY FOCUS - INSTRUMENTATION AND TESTING - Preferred Components: The engine is Atkinson cycle engines, rotary engines, spray guided, wall guided, and the combined wall/spray guided direct injection gasoline (DIG) engines, turbocharged DIG engines, supercharged DIG engines, homogeneous combustion DIG engines, homogeneous/stratified DIG engines, DIG engines outfitted with piezo-injectors with capability of multiple fuel pulses per injection, DIG engines with exhaust gas recirculation, DIG engines with a lean-nitric oxide (NOx) trap, DIG engines with a lean-NOx catalyst, DIG engines with selective non-catalytic removal of nitric oxide control, DIG engines with exhaust diesel fuel after-injection (post combustion) for nitric oxide control, DIG engines outfitted for flex fuel operation, port-fueled internal combustion engines, with and without: advanced exhaust after-treatment systems capability, turbochargers, superchargers, combined supercharger/turbocharger, on-board capability to deliver additive for combustion and emissions improvements, and variable valve timing, gasoline fueled homogeneous charge compression ignition (HCCI) engines, diesel HCCI engines, two-stroke engines, diesel fuel engines, gasoline fuel engines, stationary generators, gasoline and diesel HCCI, supercharged, turbocharged, gasoline and diesel direct injection engines, engines capable of variable valve timing, lean burn engines, engines capable of inactivating cylinders or internal combustion engines, where the systems are combined in a hybrid vehicle with an electric motor.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The carrier oil exhibits a Knoack volatility of less than or equal to 50 wt.%; a pour point of less than or equal to 0?C, a viscosity index of greater than or equal to 85, and a Penn state microoxidation deposit of less than or equal to 5%. The carrier oil has a sulfur concentration of less than or equal to 50 ppm. The animal source comprises animal fat, tallow, lard, yellow grease or fish oil. The hydrocarbon-containing biodegradable carrier oil comprises an oil derived from at least a plant or animal source, where the oil undergoes at least one treatment such as hydrogenation, partial hydrogenation, esterification or functionalization of carbon-carbon double bonds. The biodegradable carrier oil is partially biodegradable. The detergent and the carrier oil are combined in a ratio of 1:4 to 4:1. The detergent comprises polyamines, polyetheramines, succinimides, succinamides, aliphatic polyamines and/or Mannich detergents. The gasoline composition further comprises a biofuel, which is at least a material such as ethanol and biobutanol. The amount of gasoline fuel, detergent and carrier oil, in gasoline composition is 50-99.999 wt.%, 0.001-3 wt.% and 0.001-3 wt.%, respectively. The fuel comprises gasoline. The diesel fuel comprises biodiesel. The detergent is at least partially biodegradable. The detergent comprises an amine-functionalized biodegradable material derived from at least a plant or animal source. The fuel additive package further comprises at least a material such as organic peroxy esters, corrosion inhibitors, antioxidants, anti-rust agents, detergents and dispersants, lubricity agents, demulsifiers, dyes, pour point depressants, cold flow improvers, inert diluents, biocides, antistatic additives, drag reducing agents, dehazers, anti-icing additives, antiknock additives, anti-valve-seat recession additives, lubricity additives, friction improving additives, pour point depressants, cold flow improvers, fuel economy additives, octane improvers, cetane improvers, combustion improvers, a manganese source and other metal-containing ignition improvers. EXAMPLE - No suitable example given.