Higher ethanol blending in petrol can cut lifecycle emissions compared to pure fossil gasoline when produced sustainably. It reduces the quantity of imported crude oil needed for transport fuels, improving energy security. At the same time, it creates additional demand for crops such as sugarcane and maize, potentially raising rural incomes if supported by responsible water and land management.
Option A:
This option is incorrect because blending ethanol substitutes a part of imported fossil fuel, thereby lowering, not increasing, crude oil dependence.
Option B:
This option correctly summarises the multiple co-benefits of E20 in climate, energy and rural development terms, while implicitly recognising sustainability conditions.
Option C:
Regular maintenance is still required for vehicles; fuel type alone does not remove the need for upkeep, so this statement is misleading.
Option D:
Public transport investments remain essential for reducing congestion and emissions; E20 is a complementary measure, not a substitute.
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